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UK's Best Online Slot Sites

By Daniel Bennett on

TopRatedCasinos.co.uk is dedicated to helping customers find the best place to play online. Your safety and well-being is a priority, which is why all of our expert casino reviews are 100% honest and unbiased, and we highlight the key terms and conditions of every casino bonus we advertise. Whilst we accept commission from the casinos on our list of recommendations, and this may affect where they’re positioned on our lists, we only recommend casinos that we truly believe are safe and fair. Of course, we can’t rate and review every casino site, but we do make sure that only the best UK-licensed casinos make it onto our lists.

TopRatedCasinos.co.uk is dedicated to helping customers find the best place to play online. Your safety and well-being is a priority, which is why all of our expert casino reviews are 100% honest and unbiased, and we highlight the key terms and conditions of every casino bonus we advertise. Whilst we accept commission from the casinos on our list of recommendations, and this may affect where they’re positioned on our lists, we only recommend casinos that we truly believe are safe and fair. Of course, we can’t rate and review every casino site, but we do make sure that only the best UK-licensed casinos make it onto our lists.

Spin the reels at the best UK slot sites today. Combine the simple, easy-to-learn gameplay with the chance for big payouts and it’s easy to see why slots are so popular.

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With so many slot sites out there, offering everything from top games to fast withdrawals, finding the right one for you can be a little tricky –– and that’s where we come in.

Our team has hand-picked the very best slot sites on the market, from established brands to the latest new slot sites. The slots casinos listed in the top 10 are packed with the latest slot games and offer the best bonuses out there.

All you need to do is compare sites and sign up to your best fit to start playing slots online today!

Top 10 Slot Sites

icon UK Licensed 
icon Expert Reviews 
icon Mobile Friendly 
icon Fast Payouts 
Rank Slot Site User Rating Sign-Up Bonus Score Slot Games Key Features Review Claim Bonus Terms & Conditions
1
130 User Ratings
Expert Review

100% up to £250 + 30 Free Spins

9.9
600
  • Weekly Cashback for VIP
  • 1,000 Free Spins Every Week
  • Impressive Game Selection
For every £1 you bet, Vegas Spins will match it (up to a max of £250). 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
2
572 User Ratings
Expert Review

100% up to £500

9.7
1,200+
  • Brand New Casino
  • Great Live Casino
  • Top VIP Members Club
18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Bonus spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 50 bonus spins on 1st deposit, 25% match up to £800 + 25 bonus spins on 2nd deposit, and 50% match up to £500 + 30 bonus spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
3
2282 User Ratings
Expert Review

100% Up To £25 + 20 Bonus Spins

9.6
2,000
  • Bright + Fun Website
  • Very New Slot Games
  • Exclusive Bonuses
18+. New UK customers only. Opt-in required. 20 Bonus Spins on "Book of Dead" and 100% Deposit Bonus up to £25 on first deposit. Min deposit £10. 30x wagering requirement for Bonus Spins and 30x wagering requirement for Deposit Bonus (game weighting applies). Max £5/spin or £0.50/line or £10/round (live casino). 30 days expiry. T&C's Apply. Please gamble responsibly. www.begambleaware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
4
1076 User Ratings
Expert Review

100% Up To £150 + 15 Free Spins

9.6
2,700+
  • Perfect For VIP Players
  • Full PayPal Support
  • Over 1,000 Games
100% welcome bonus worth up to £150 is only valid for new players who have registered but have not made any deposit. The value of the bonus has a play through of 35 which must be met to validate any winnings deriving from it. The offer is valid for all payment methods available in Novibet, apart from Neteller and Skrill. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
5
712 User Ratings

100% up to £100 + 10% Cashback

9.5
1,000+
  • State Of The Art Platform
  • Safe, Secure Casino
  • Live Chat Support
New customers only. Min deposit £10. Wagering 40x bonus. Max bet £5 with bonus funds. 100% bonus up to £100. Eligibility is restricted for suspected abuse. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&Cs apply 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
6
965 User Ratings

121% Up To £300

9.4
1,000+
  • Safe, Secure Casino
  • Loyalty Rewards Program
  • 24/7 Live Chat Support
18+. New players only. Min deposit £10. Bonus funds are 121% up to £300. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Terms Apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
7
365 User Ratings

100% Up To £100 + 300 Free Spins

9.3
1,300+
  • Extra Weekly Bonuses
  • Instant Withdrawals Available
  • Safe & Secure Casino
18+. Full T&Cs apply. New players only. £10 min deposit. £5 max bet using bonus. 40x wagering applies. Bonus valid for 14 days. 30 spins will be credited instantly upon qualifying deposit + then 30 per day for 9 days on pre-selected games. Free spins valid for 72 hours from credit. Max free spins winnings £100. Ewallets excluded. www.begambleaware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
8
204 User Ratings

100% Up To £100 + 100 Free Spins

9.3
1,900+
  • 10% Weekly Cashback
  • Over 1,900 Slot Games
  • 24/7 Customer Support
New players only. Minimum deposit: £20. Maximum £100 bonus. Max bet with an active bonus: £2. Wagering requirement 100% match bonus: 30x sum of deposit + bonus. Free Spins are given 20 per day on Book of Dead for 5 days in a row, log in is required. Winnings from Free Spins are credited as bonus money with a wagering requirement of 45x. Some games may not be played with a bonus. Games may contribute differently when wagering a bonus. www.begambleaware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
9
814 User Ratings
Expert Review

100% Up To £50 + 50 Free Spins

9.2
300+
  • Brand New Casino
  • Modern Design
  • 7 Figure Jackpots
New players only. 100% bonus on first deposit up to £50 & 50 Bonus Spins (30 spins on day 1, 10 on day 2, 10 on day 3) for Rich Wilde and the Book of Dead slot only. Min first deposit of £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £250. 40x wagering requirements. Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
10
323 User Ratings
Expert Review

100% Up To £100 + 300 Free Spins

9.1
1,300+
  • Thousands Of Games To Play
  • Rapid Deposits & Withdrawals
  • Excellent Live Casino
18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40x wagering applies. Bonus valid for 14 days. 30 Spins will be credited instantly upon qualifying deposit + then 30 per day for 9 days on pre-selected games. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded. - www.begambleaware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
11
742 User Ratings
Expert Review

100% Up To £250 + 100 Bonus Spins

9.1
2,000+
  • 2,000+ Casino Games
  • Exclusive Table Games
  • Huge Jackpot Slots
18+. New players only. One offer per player. Min Dep £10. Max bonus bet £5. 1st Dep offer is 100% up to £250 + 100 Bonus spins on Aloha Cluster Pays. Spins expire after 10 days, funds after 30 days. Bonus funds separate to Cash. Wager Req of 35x Deposit + Bonus apply. Terms Apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
12
1430 User Ratings
Expert Review

100% up to £100 + 100 Spins

8.9
400
  • £10K Prize Draw
  • 400+ Casino Games
  • Live Dealer Tables
New players only. Min deposit £20, Max bonus £100. 50x WR, 100 Free Spins - 10 batches of 10 Free Spins Daily - No WR - Max Win £10 per batch. T&Cs Apply 18+ 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
13
1268 User Ratings
Expert Review

50% up to £100 + 25 Free Spins

8.8
800+
  • Excellent Live Casino
  • Big Range of Offers
  • Slots + Lots More
18+. New Customers only. Min. deposit £15 (no Skrill/Neteller). Wager bonus 40x within 15 days. Max winnings = 10x bonus. Free spins validity: 7 days. Free spins max. winnings = £100. Stake contribution as per eligible games. See full terms. Terms apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Before You Play, by TopRatedCasinos

Online gambling can be great fun, but it isn’t without its pitfalls. So before you wager your hard-earned cash, let Before You Play arm you with the essential knowledge you need to maximise your enjoyment.

Take a look at Before You Play

Online Slots Guides

Slots icon
Our comprehensive guide explains how to play slots, what each of the common terms mean, and what to look out for from each game.
High Variance Slots
One of the humble slot's most curious qualities is variance, or volatility. Our guide breaks the concept down and explains how it affects a slot's behaviour.

Why Play Online Slots?

Here’s why you might choose online slots over other casino games

Simple

Slots are about as straightforward as it gets when it comes to online casino games. There’s no skill or strategy involved- you just hit spin and hope your luck’s in. That’s not to say the simplicity of slots makes them any less exciting; entertaining themes, lively animations and thrilling bonuses mean there’s plenty of fun to be had.

Suits All Budgets

Whether you’re a beginner, a casual player or a casino veteran, there’s a slot game for every kind of bankroll. From penny slots to high roller progressive jackpots and plenty of betting opportunities in between, the power is in your hands. You can even play slots for free with free demo games!

Variety

Sure, classic table games like roulette and blackjack have their fair share of variations, but nothing rivals slots when it comes to the sheer range of slot games on offer.  Pretty much every software developer makes slot games, and many top slot sites boast over 500 exciting titles, so the possibilities are endless.

How to Play Slots Online

While multiline video slots might first seem a bit daunting to new players, it’s actually pretty easy to get the hang of this casino classic. Whether you’re playing slots for fun or to win real money, here’s how to play.

  1. Check the paytable
    A paytable shows you how much you can win depending on your bet, and your minimum and maximum stake options. Some use ratios to show the best payout slots, while others use percentages or multiplier values, such as x3. You’ll also be able to check for the game’s bonus features, such as multipliers, to see if there are any other ways to maximise your winnings.
  2. Set your stakes
    In many slot games, players will bet with ‘coins’ that have a real currency value. The value of these coins are set to a certain value in some games, while others allow you to set this yourself. Make sure your coin value suits your bankroll- you don’t want to run through your budget in the first few spins.
  3. Select your paylines
    Most slots feature multiple paylines, and betting on more lines can increase your chances of landing a win. Remember that the more paylines you bet on, the more you’ll wager, so don’t get too carried away!
  4. Hit spin
    You can hit spin once you’re happy with your wager- it really is that easy. You’ll certainly know about it if you do strike lucky – a message usually flashes up on the screen, along with some celebratory music. If you’re playing for real money, your winnings will be credited to your casino account.

How to Get Started

While multiline video slots might first seem a bit daunting to new players, it’s actually pretty easy to get the hang of this casino classic. Whether you’re playing slots for fun or to win real money, here’s how to play.

  1. Read our expert reviews
    Use the list of top casinos to compare the very best places to play slots online. We’ve highlighted bonus offers along with the key terms to help you find your perfect match. Want to delve a bit deeper? Check out our expert casino reviews to find out everything you need to know about a slot site, from games libraries to banking options and everything in between.
  2. Sign up
    Once you’ve settled on a top slot site you can follow our link to head straight to the sign-up page. It only takes a few minutes to create your account, and you’ll need some basic personal details, including your name, address and email. You’ll also need to provide information for the casino to verify your identity, though the exact process will vary between sites. Like the look of the welcome bonus? Check the terms and conditions before you opt in to claim your free spins or matched deposit reward.
  3. Deposit
    You’ll need to make a deposit if you want to play real money slots online for real money. Head to the cashier and select your preferred payment method- most online casinos offer a range of banking options, from debit cards to e-wallets like PayPal. Your welcome bonus rewards will normally be credited to your account after this deposit.
  4. Play
    Now there’s only one thing left to do: hit spin and hope the reels land in your favour. If you do land a lucky symbol combination, you’ll be able to cash in on your returns or use any winnings to play again. Enjoy!

More Slots Options

There’s no shortage of fantastic slots sites out there, meaning plenty don’t quite make the cut for the top 10.

These sites are all worth considering when you’re picking a new place to try your luck — they’re all fully UKGC licensed and loaded with great slots.

HeySpin

100% up to £25 + 25 Spins

Read Review Go to site
Terms and Conditions apply. New Players only. 18+. Min deposit £20. Wagering requirement apply 35x. Offer valid for 24hr. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
All British Casino

100% Up To £100 +10% Cashback

Read Review Go to site
#AD New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Click here for full T&Cs 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Fruit Kings

100% up to £50 + 100 Bonus Spins

Read Review Go to site
New players only. 100% bonus on first deposit up to £50 + 100 Bonus Spins (50 spins on day 1, 25 on day 2, 25 on day 3) for Book of Dead slot only. Min first deposit of £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £250. 40x wagering requirements. Bonus expiry 30 days. Bonus spins expire after 48 hours. Game restrictions apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Paddy Power Games

Deposit £10 Get £50 + 100 Spins

Read Review Go to site
UK &; IRL only. Deposits made with e-wallets are not valid for this promo. Bonus wagering x35 on eligible games. Winnings from bonus capped at £500. Spins available after bonus is redeemed/lost. 10 per day with no wagering. Full T&Cs apply 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
The Sun Vegas

100% Up To £300

Read Review Go to site
New Customers Only. 100% Deposit Match up to £300. Min deposit £10. 50x Wagering applies to the Bonus + Deposit amount, playable on selected slots only. Bonuses must be accepted within 72 hours and are valid for 30 days and wagering requirement must be completed in this time. Bonus amount can't be withdrawn. Max bet restrictions apply. Not all games contribute equally to wagering requirements. Deposits made with Neteller and Skrill are not valid for this promotion. 18+ begambleaware.org. Full T&C apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
XL Casino

Enjoy 100% up to £50 and 100 Spins

Read Review Go to site
New players only. Valid until further notice. Min deposit £20 for 100% Games Bonus [GB] up to £50 + 100 Free Spins [FS] on Gonzo’s Quest (FS Split over 5 days & valid for 3 days respectively, no wins cap). FS wins granted in Games Bonus [GB] after all FS used. GB valid on selected games only. Wagering requirements [WR]: 50x (deposit + GB funds) & 85x FS winnings. WR vary by game. GB wins cap: £100 + initial bonus amount. UK: deposit balance can be withdrawn at any time. 18+. Withdrawal restrictions & Full T&C apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
STS Bet Casino

500 Bonus Spins Available

Read Review Go to site
18+. New customers only. Promotion valid from 23.04.20. Min £50 first deposit required. Bonus spins added after min £50 loss on casino slots. Offer active for 14 days from registration. 500 bonus spins on qualifying slots. No wagering on bonus spins winnings. Bonus Spins valid for 7 days. Bonus spins worth £0.10 each. Deposit method restrictions. Full T&Cs apply. begambleaware.org 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Luckland

100% up to £50 + 50 spins

Go to site
New players only. 18+. Min deposit £20. Welcome package split over 3 deposits 35x wagering applies to match up bonus. Offer valid for 1 week. 50 Spins on Starburst - 35x wagering applies to Spins. Terms and Conditions Apply 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Great Britain Casino

Enjoy up to 500 Free Spins on Starburst

Read Review Go to site
You will receive a FREE spin of the ‘Mega Reel’ when you make your first deposit. Prizes vary, ranging from Free Spins to Amazon Vouchers. Winnings from Free Spins are subject to a maximum win amount of £8 per 10 free spins. Wagering requirement is 65 x bonus won. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Playzee

100% Up To £300 + 100 Extra Spins

Read Review Go to site
18+. New players only. Min Deposit £20. Max Bonus Bet £5. Winnings from spins capped at £50. 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply. BeGambleAware.org 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Online Slots badge

Here’s a list of top slot sites in the UK

  • All British Casino – Best For Cashback
  • Jackpot Village – Greate Range of Slot Games
  • Playzee – Best For Jackpot Slots
  • STS Bet Casino – Best For Free Spins
  • Casushi Casino – Great User Experience
  • Mr Q – Best Low For Low Wagering

Handy Slot Guides

New slots
New Slot Sites
Like your slots fresh off the production line? We've got the latest games & casinos to choose from.
Highest payout slots icon
Best Payout Slots
We've rounded up the highest RTP slots on the internet. For every £, these pay back the most on average.

Top UK Slot Sites - Mini Reviews

Name Slot games Bonus Claim Bonus Review Terms and conditions
Slot games :
1600+

100% Up To £100 +10% Cashback

All British Casino is focused on delivering an excellent UK-centric offering, finished with British stylisation and a huge slots offering. With 645 video slots and 16 progressive jackpot games to choose from—delivered by the likes of NetEnt, Microgaming, and IGT, to name a few—All British Casino’s extensive selection makes it a shoe-in as one of the best UK slot sites. Sign up today to claim your welcome bonus of 100% up to £100, along with 10% cashback.
#AD New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Click here for full T&Cs 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
1229

100% up to £500

Since its 2019 launch, Jackpot Village has already paid out over £100,000,000 in winnings. If you’re a slots fan who’s keen to get a cut of that action, Jackpot Village’s 1,176 video slots and 53 progressive jackpot slots mean you’re certain to be spoiled for choice. Claim the site’s generous welcome bonus of 100% up to £500 and 50 free spins to get started with one of the biggest selections to be found at UK slot sites.
18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Bonus spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 50 bonus spins on 1st deposit, 25% match up to £800 + 25 bonus spins on 2nd deposit, and 50% match up to £500 + 30 bonus spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
572

100% Up To £300

The Sun Vegas is among the most recognised in the UK online casino space, and it certainly delivers as one of the very best slots websites. Sign up today to claim your welcome bonus of 100% up to £300, and get started on one of the site’s 572 slots to choose from. These include a smattering of exciting progressive jackpot slots, as well as exclusive games such as The Sun Winning Headlines. Top developers including Blueprint Gaming, Big Time Gaming and Eyecon round out The Sun Vegas’s leading slots experience.
New Customers Only. 100% Deposit Match up to £300. Min deposit £10. 50x Wagering applies to the Bonus + Deposit amount, playable on selected slots only. Bonuses must be accepted within 72 hours and are valid for 30 days and wagering requirement must be completed in this time. Bonus amount can't be withdrawn. Max bet restrictions apply. Not all games contribute equally to wagering requirements. Deposits made with Neteller and Skrill are not valid for this promotion. 18+ begambleaware.org. Full T&C apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
1001

100% Up To £300 + 100 Extra Spins

Once you’re set up with its 100% up to £300 and 100 free spins welcome bonus, Playzee is a fantastic destination for all slots enthusiasts. Fronted by scientist mascot Zeegmund, the well-presented slots site features over 1,000 slots to choose from and the chance to land a 7-digit win on one of its many jackpot slot offerings. With games from the likes of Red Tiger, NetEnt, NYX, Microgaming, and Play ‘N Go, you’ll never be short of innovative and exciting slots options at Playzee.
18+. New players only. Min Deposit £20. Max Bonus Bet £5. Winnings from spins capped at £50. 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply. BeGambleAware.org 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
1149

500 Bonus Spins Available

While the 500 bonus spins on offer are subject to new players first losing their initial £50 deposit, it’s nonetheless a huge glut of free spins to use on STS’s bursting collection. With 1,134 video slots and 15 progressive jackpot slots to choose from, you’ll hardly be short of games to use your free spins on. STS also has a fantastic live casino and table games offering that are ripe for perusal between spins.
18+. New customers only. Promotion valid from 23.04.20. Min £50 first deposit required. Bonus spins added after min £50 loss on casino slots. Offer active for 14 days from registration. 500 bonus spins on qualifying slots. No wagering on bonus spins winnings. Bonus Spins valid for 7 days. Bonus spins worth £0.10 each. Deposit method restrictions. Full T&Cs apply. begambleaware.org 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
389

100% Up To £50 + 50 Free Spins

If you’re after a brand new slots experience, Casushi is a fresh face for 2020 that’s already loaded with brilliant slots options. Industry leaders such as Yggdrasil, NetEnt, and Microgaming are among the developers represented in Casushi’s slots library, and its 378 video slots are joined by 11 progressive jackpot slots primed with 7-figure jackpot payouts. Sign up today to claim your 100% up to £50 welcome bonus along with 50 free spins.
New players only. 100% bonus on first deposit up to £50 & 50 Bonus Spins (30 spins on day 1, 10 on day 2, 10 on day 3) for Rich Wilde and the Book of Dead slot only. Min first deposit of £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £250. 40x wagering requirements. Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
166+

Play £10 get 30 free spins

While perhaps best known for its impressive bingo offering, Mr Q is no slouch when it comes to great slots experiences. With 101 slots to choose from, and 30 free spins to test them out, you’ll be well set for slot options at Mr Q. The site features free play titles too, meaning you don’t have to wager any of your own cash to have fun on the reels. Mr Q has a strong selection of games from Thunderkick too, including Bork the Berzerker, Pink Elephants, and Arcader.
First deposit only. Min deposit & spend £10. Max 30 spins on STARBURST at 10p per spin. Spins credited upon spend of £10. Full T&Cs apply 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Best Slot Sites for UK Casino Players

  • Play Ojo
    Play Ojo - Best no wagering bonus
  • HeySpin
    HeySpin - Top new slots site
  • Jackpot Village
    Jackpot Village - Best site for progressive jackpot slots
  • All British Casino
    All British Casino - Best NetEnt slots site
  • Aspers Casino
    Aspers Casino - Top PayPal slots casino
  • Paddy Power Games
    Paddy Power Games - Best slots site for fast payouts
  • Mr Q
    Mr Q - Best free spins slots casino
  • Jackpot Village
    Jackpot Village - Top matched deposit slots site

Online Slot Variations

Slot games come in all shapes and sizes; these are the three main categories:

Classic SlotsSlots icon

If you’d rather keep things simple or simply prefer games modelled after classic slot machines, there are plenty of classic slots on offer at the UK’s best slot sites. These are 3-reel games that usually feature 1 to 5 paylines, and are a great place for beginners to start. For those after some casino nostalgia, expect classic fruit and seven symbols that take you back to the days of traditional fruit machines in brick-and-mortar casinos and arcades!

Just about every casino software developer has a few classic slots in the locker, so you can play them at all the best online slot sites.  IGT, which made its name making land-based slots back in the 90s, is particularly well-known for online classic slots like Triple Diamond, while the likes of Microgaming has also made top titles like Break da Bank.

Video SlotsVideo Slots

Video slots can have a number of different reels and make up the vast majority of games at the best slot sites. These variations have risen to the top of the charts thanks to their combination of entertaining pop culture themes, vibrant animations, HD graphics and an array of fun symbols. Most also spice things up a bit with exciting bonus features, such as wilds, scatters, multipliers, free spins and bonus rounds, which add to the fun.

Many video slots also feature multiple paylines, with some offering over 1,000 ways to win. Software developers are constantly vying to produce the most innovative video slots on the market, so there’s no end to the exciting possibilities.

Progressive Jackpot SlotsProgressive Jackpot slots icon

Progressive jackpot slot games are popular among so many slots enthusiasts. These increase every time someone places a new wager, meaning that certain slot titles, like Mega Moolah, have jackpots that can rise well into the millions.

Many progressive jackpot slots require players to make the maximum bet to win the full jackpot, but those with more modest budgets aren’t excluded from winning big. Slots like Mega Moolah have tiered jackpots that are often released at random, so there’s still the chance to land a sizeable windfall.

Progressive jackpot slots are usually high variance, too. This means that while they offer big prizes, they don’t pay out often-so you could very well run through your bankroll before you get a shot at triggering the jackpot. However, if you don’t mind taking a risk for the biggest prizes on the market, progressive slots might be right up your street.

Best Progressive Jackpot Slots

Mega Moolah

Release date:
Free spins Autoplay
Progressive Bonus rounds
Multipliers Mobile
Sign Up to Play
Available at Jackpot Village

Gold Rally

Release date:
Free spins Autoplay
Progressive Bonus rounds
Multipliers Mobile
Sign Up to Play
Available at 888 Casino

Mega Fortune

Release date:
NetEnt
Free spins Autoplay
Progressive Bonus rounds
Multipliers Mobile
Sign Up to Play
Available at The Sun Vegas

Real Money Slot Sites

While you don’t have to deposit to play at any of these UK slot sites in June 2021, you’ll have to play real money slots to be in with a chance of winning real money. This doesn’t mean you’ll need a huge bankroll though —  you can play penny slots for just 1p per spin, while many other titles have relatively low bet limits. On the other end of the scale, maximum bets for large progressive jackpot slot games can go well into the hundreds, so there’s a wealth of real money slot games for high rollers out there too. If you’re keen to aim for some cash winnings from your spins, play slots for real money today.

Are Real Money Slots Legal?

Real money slots are a perfectly legal way to gamble, and the games available will be held to strict levels of fairness provided the online casino in question is licensed by the UK Gambling Commission (UKGC). Never play at an online casino that doesn’t have a UKGC licence, as unlicensed sites have no guarantees or protections in place regarding fair play, ethical behaviours and transaction security. One of the licensing obligations for operators is to conduct regular audits of the random number generator (RNG) tech powering their slots’ randomness, so you can be sure that licensed sites are offering slots that aren’t rigged.

Are Real Money Slot Sites Available as Apps?

The online casino landscape is becoming increasingly mobile-friendly. Every site you find on TopRatedCasinos has a mobile-optimised web page that adjusts to smaller, touch-centric interfaces, but the very best mobile experiences are found on native apps. Not only are dedicated apps generally more responsive and specialised to smartphones and tablets, they also deliver push notifications to keep you abreast of the latest offers, and easy access to Google Pay and Apple Pay. Here’s a brief selection of some of the finest real money slots apps in June 2021, available on both the Android and iPhone.

  • Ladbrokes Casino & Games
  • Virgin Games
  • 888 Casino
  • William Hill
  • Spinz Casino
  • Slot Boss (LeoVegas)

Real Money Slots vs Free Slots

There are pros and cons to both kinds of slot, but ultimately the one that’s right for you depends on what you’re looking for from a slots experience.

Free slots, whereby you can spin without wagering any of your own cash, are a great way for beginners to get accustomed to slot features without any risk. Once you’re up to speed with bonus rounds, multipliers, cascading reels, and other slots features, you’ll be well set to try your hand at real money slots. While there’s considerably more of a rush to be had from winning paylines that dole out real money, there’s plenty of fun to be had with free slots.

Real money slots, however, are where you’ll find the true slots experiences. Not only do these slots tend to be more lovingly developed and feature-rich, but they also come in more varieties and themes. Progressive jackpot games, thrilling bonus rounds, and the ‘one-more-spin’ tease will have you coming back for more whilst offering the chance to win real money prizes.

Best Real Money Slot Sites

Name Slot games Bonus Claim Bonus Review Terms and conditions
Slot games :
1600+

100% Up To £100 +10% Cashback

Featuring London’s iconic skyline and a distinctly British stylisation, All British Casino prides itself on its focused offering and quality games collection. With 645 video slots and 16 progressive jackpot slots, All British Casino is never lacking for real money slots options.
#AD New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Click here for full T&Cs 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
1229

100% up to £500

With a staggering £100,000,000 paid out since its 2019 launch, Jackpot Village is a great destination for any slots fans looking to win real money prizes. Its 1,229 slots are sure to have something to offer for real money slots aficionados, and a whopping 53 of those are progressive jackpot slots.
18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Bonus spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 50 bonus spins on 1st deposit, 25% match up to £800 + 25 bonus spins on 2nd deposit, and 50% match up to £500 + 30 bonus spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
572

100% Up To £300

Featuring a huge slots selection from industry heavyweights including Microgaming, NetEnt, Eyecon, Blueprint, and Big Time Gaming, you’ll be satisfied with the quality on offer at The Sun Vegas. Play slots for real money with this well-recognised brand, and enjoy a welcome bonus of 100% up to £300 to get you started.
New Customers Only. 100% Deposit Match up to £300. Min deposit £10. 50x Wagering applies to the Bonus + Deposit amount, playable on selected slots only. Bonuses must be accepted within 72 hours and are valid for 30 days and wagering requirement must be completed in this time. Bonus amount can't be withdrawn. Max bet restrictions apply. Not all games contribute equally to wagering requirements. Deposits made with Neteller and Skrill are not valid for this promotion. 18+ begambleaware.org. Full T&C apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Free Slot Games

You don’t need to deposit to play online slots, thanks to free slot games. These are available at pretty much all UK slots sites and, while you can’t win real money on free slot games, they’re great if you just want to play slots for fun. They’re also ideal for beginners easing their way onto the slots scene, and give you a chance to familiarise yourself with pay tables and bonus features before trying out real money slots.

Regulations have come into force in recent years, however, which mean you’ll need to register at a slots site and verify your age before playing. Provided you’re over 18, this shouldn’t be a big hurdle to clear. Some sites make it tough to identify the free slots options in their selection, but you should be able to locate them either through the site’s filters or by searching ‘free’ in its search bar.

New Slots Sites

With brand new slot game releases every month, and indeed in June 2021, you need never tire of playing the same titles. Bigger brand deals, innovative features and better graphics are just a handful of features you can expect from the newest slot releases- each bringing something a little different to keep players on their toes.

However, it’s not just new slot games that you should look out for — new slot sites can also get pretty exciting. While the newest slot sites tend to feature the latest games, you can also expect the best casino bonus rewards and leaderboards. Luckily for you, we’ve picked out the best newest slot sites to help you make your pick.

Tech

The latest slots websites aren’t bound to the same traditions and frameworks as the most established players, and this gives their operators a degree of leeway for both presentation and format. Interested in playing VR slots? Live slots? Social slots? New slots sites may be your best bet.

New Games

Along with innovative tech, new slots sites tend to be hot off the mark with adding new releases to their collections. The reason for this is primarily to differentiate those sites from other market players, and the benefit to players at new casinos is that they can often get through to the latest experiences before anyone else.

Great Bonuses

While new slots sites won’t offer the most lucrative bonuses, they’re apt to offer the most player-friendly ones. No deposit and wager free bonuses are considerably rarer at the biggest online casinos, and their matched deposit bonuses are likely to be tied to considerable wagering requirements. New slots sites, conversely, tend to offer small bonuses with quick access to winnings, meaning you can get going with both playing and withdrawing in quicker time than you might with a big name brand.

VIP Programmes

New slots sites also differentiate themselves by bringing new players straight into the VIP fold, generally offering tiered systems that make it easy to understand how to progress and earn more rewards. Some VIP systems at the best online casinos can come across as confusing and arcane, and requirements for invite-only programmes are often hidden from players, but plenty of new slot sites in June 2021 offer far greater inclusivity and transparency.

New Slot Game Reviews

Best New Slot Sites

Name Date added Bonus Claim Bonus Review Terms and conditions
Date added :
Aug 2020

Deposit £10 and get 30 Spins

A quick glance at Spins Royale’s games collection proves this new slot site lives up to its name. Delivered by such big names as Pragmatic Play, Eyecon, Scientific and NetGen Gaming, among many others, you can be sure that the site’s extensive range of slots bear all the hallmarks of quality you could want. Deposit £10 today to claim your welcome bonus of 30 free spins (bonus code: PLAY30) for use on the ever-popular Starburst slot from NetEnt.
New customers only (UK 18+). Min Deposit £10, Max Bonus 30 Spins on Starburst. Wagering (x40) & Max Conversion (x4). Promo Code. PLAY30. Withdrawal & Full T&Cs apply. Valid until further notice. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Date added :
Sep 2020

Up to £100 welcome bonus + 100 extra spins

Despite being a new slots site for 2020, Play Luck’s games collection already rivals some of the industry’s long-standing players. Claim a welcome bonus of up to £100 in matched deposits and 100 free spins across your first four deposits, get started on Play Luck’s six-tier loyalty programme, and enjoy a huge selection of slots, table games and live casino options.
18+, Welcome Bonus: New Players only. Min Deposit: £20. Max bonus £100. Wagering requirements 35x bonus amount. Welcome package split over 4 deposits. Full T&C apply. BeGambleAware. Gambling can be addictive, please play responsible.
18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Date added :
Jan 2018

£5 on Sign up + 200% bonus on 1st deposit

Launched in 2017, Monster Casino has already got a great reputation in the iGaming community. With top of the line live support services, a strong selection of slots and casino games and a welcome bonus of up to £500 and 50 spins on Starburst, Monster Casino is an easy recommendation for anyone looking to try out a new UK slot site.
New players only. +18 Verification needed for UK players.
No deposit bonus, Max bonus £5. Valid on: Shamrock N Roll, Mayan Marvels and Candy Swap. Wagering x100, Max winnings capped at £20.
Deposit bonuses on First 3 deposits only. Min dep. £10, Max bonus £500 + 50 spins on Starburst. Selected slots only. 4x conversion. 40x Wagering. First Deposit – 200% match up to £50 in bonus + 50 spins on Starburst. Second Deposit – 100% match up to £200 in bonus. Third Deposit – 50% match up to £250 in bonus. T&Cs Apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

PayPal Slot Sites

PayPal slot sites are a hugely popular option in the iGaming community, and for good reason. The e-wallet solution is widely available at a number of PayPal casinos thanks to its widespread popularity, and it’s an easy way to manage your spending. While other payment options typically require you to input your sensitive information into individual sites, PayPal users only need to put their email address into the casino’s cashier page to set up deposits and withdrawals. 

The service also comes with a range of extra security layers to keep your cash safe. PayPal Buyer Protection enables users to claim their money back if they don’t receive the products or service they paid for, every transaction is encrypted, and PayPal’s fraud prevention team is active 24/7 to monitor every transaction for suspicious activity. If you ever encounter an issue, PayPal’s responsive customer service team will resolve it for you quickly.

How to Set Up a PayPal Account

  1. Head to PayPal.com and click ‘Get Started’
  2. Fill in the brief form, including your email address, and the billing address and account details of the bank account or card you want to link with PayPal
  3. Wait for your confirmation email from PayPal, which should arrive within minutes, and confirm your account in the link provided
  4. Head over to your online casino’s cashier page and click the PayPal option. Simply enter the email address linked to your PayPal account, and you’re good to go
Rank Online Casino Bonus Offer Slot games Jackpot Slots Accepts PayPal Sign Up Terms
1
WELCOME OFFER

100% up to £250 + 30 Free Spins

Slot games
600+
Jackpot Slots
53
Accepts PayPal
Yes
For every £1 you bet, Vegas Spins will match it (up to a max of £250). 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
2
WELCOME OFFER

100% up to £500

Slot games
1229
Jackpot Slots
53
Accepts PayPal
Yes
18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Bonus spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 50 bonus spins on 1st deposit, 25% match up to £800 + 25 bonus spins on 2nd deposit, and 50% match up to £500 + 30 bonus spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
3
WELCOME OFFER

100% Up To £150 + 15 Free Spins

Slot games
2728
Jackpot Slots
84
Accepts PayPal
Yes
100% welcome bonus worth up to £150 is only valid for new players who have registered but have not made any deposit. The value of the bonus has a play through of 35 which must be met to validate any winnings deriving from it. The offer is valid for all payment methods available in Novibet, apart from Neteller and Skrill. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
4
WELCOME OFFER

121% Up To £300

Slot games
1001+
Jackpot Slots
110
Accepts PayPal
Yes
18+. New players only. Min deposit £10. Bonus funds are 121% up to £300. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Terms Apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
5
WELCOME OFFER

100% Up To £50 + 50 Free Spins

Slot games
389
Jackpot Slots
11
Accepts PayPal
Yes
New players only. 100% bonus on first deposit up to £50 & 50 Bonus Spins (30 spins on day 1, 10 on day 2, 10 on day 3) for Rich Wilde and the Book of Dead slot only. Min first deposit of £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £250. 40x wagering requirements. Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
6
WELCOME OFFER

100% Up To £100 + 300 Free Spins

Slot games
1301+
Jackpot Slots
53
Accepts PayPal
Yes
18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40x wagering applies. Bonus valid for 14 days. 30 Spins will be credited instantly upon qualifying deposit + then 30 per day for 9 days on pre-selected games. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded. - www.begambleaware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
7
WELCOME OFFER

100% Up To £250 + 100 Bonus Spins

Slot games
2001+
Jackpot Slots
68
Accepts PayPal
Yes
18+. New players only. One offer per player. Min Dep £10. Max bonus bet £5. 1st Dep offer is 100% up to £250 + 100 Bonus spins on Aloha Cluster Pays. Spins expire after 10 days, funds after 30 days. Bonus funds separate to Cash. Wager Req of 35x Deposit + Bonus apply. Terms Apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
8
WELCOME OFFER

100% up to £100 + 100 Spins

Slot games
400+
Jackpot Slots
46
Accepts PayPal
Yes
New players only. Min deposit £20, Max bonus £100. 50x WR, 100 Free Spins - 10 batches of 10 Free Spins Daily - No WR - Max Win £10 per batch. T&Cs Apply 18+ 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
9
WELCOME OFFER

50% up to £100 + 25 Free Spins

Slot games
818
Jackpot Slots
19
Accepts PayPal
Yes
18+. New Customers only. Min. deposit £15 (no Skrill/Neteller). Wager bonus 40x within 15 days. Max winnings = 10x bonus. Free spins validity: 7 days. Free spins max. winnings = £100. Stake contribution as per eligible games. See full terms. Terms apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
10
WELCOME OFFER

100% up to £25 + 25 Spins

Slot games
1099+
Jackpot Slots
17
Accepts PayPal
Yes
Terms and Conditions apply. New Players only. 18+. Min deposit £20. Wagering requirement apply 35x. Offer valid for 24hr. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

No Wagering Slot Sites

No wagering bonuses are a player-friendly bonus offered by some UK slots sites, with their key draw being that you don’t need to fulfil any wagering requirements to withdraw winnings made with the bonus funds or spins. These bonuses tend to be quite small compared to those with wagering requirements attached, but no wagering slot sites aren’t to be sniffed at.

For example, you might get 10 free spins that are wager free. Anything you win from those free spins is yours to keep, provided you haven’t exceeded any winnings cap that may be applied to the bonus. If there’s a cap on your winnings, anything you win with your bonus above that threshold will be returned to the house.

Generally speaking, if free spins have wagering requirements they’re tied to your winnings from those free spins. Let’s say you won £20 from 10 free spins, with wagering requirements of 35x. You would need to wager a total of £700 in order to unlock withdrawals. If your free spins were a no wagering bonus, you could simply withdraw your £20 in winnings without having to wager anything extra.

The drawback of no wagering bonuses, as previously mentioned, is that they’ll be considerably smaller than the bonuses you could reap from regular welcome bonuses. If you’re happy to meet the wagering requirements of a more lucrative bonus, no wagering bonuses might not be as worth your time. Nevertheless, it’s hard not to recommend freebies without the typical strings to cut.

Best No Wagering Slot Site

Name Wagering requirements Bonus Claim Bonus Review Terms and conditions
Wagering requirements :
Wager Free

80 Wager Free Spins on 1st Deposit

80 wager free spins is a very generous welcome bonus, with those spins being eligible for the popular slot title Rich Wilde and the Book of Dead. The site’s wider collection, containing 708 video slots and 97 progressive jackpot slots, is a great reason to stick around once you’ve used your free spins, and its native app makes it a breeze to play on your smartphone or tablet.
50 Free Spins on first deposit (on Rich Wilde and the Book of Dead). Also, after the first deposit the player can claim an additional 30 Free Spins by visiting the Kicker Section. So the player can receive a total of up to 80 free spins. Please refer to the landing page for all the details. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Wagering requirements :
35x

Deposit £10 Get £50 + 100 Spins

The irreverent and witty Paddy Power takes its online casino offering very seriously, and this blend of quality and camaraderie makes for a great slot experience. After the welcome bonus of ‘deposit £10 play with £60’ is played or lost, you’ll get access to 10 free spins every day for 10 days with no wagering requirements attached.
UK &; IRL only. Deposits made with e-wallets are not valid for this promo. Bonus wagering x35 on eligible games. Winnings from bonus capped at £500. Spins available after bonus is redeemed/lost. 10 per day with no wagering. Full T&Cs apply 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Wagering requirements :
30x

£100 Bonus + 200 Spins

Betfair Casino is a great UK slot site, as well as one of the leading betting exchange sites. Sign up today to land up to 200 free spins, and you’ll be well set to try out the site’s collection of 272 top slots titles from the likes of IGT, WMS, and Playtech.
Minimum deposit of £10 , x30 wagering, game weighting applies. 200 Free Spins available after first deposit. The number of free spins available will vary depending on first deposit amount. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Fast Payout Slots

Fast withdrawals casinos are very popular among players in June 2021, and operators are working to accelerate processing times across the industry. Beyond the online slot site’s internal processing time, which can vary between hours and several days, there are a few other factors in play that impact how quickly you can withdraw your winnings.

Chief among these is your payment method, and the one you choose can have a significant impact on how quickly you can make withdrawals. Debit cards typically have a lead time of 1-5 working days on top of your casino’s internal processing time, while e-wallets like PayPal and Skrill generally process withdrawals within 24 hours once the transaction has been approved by the casino. Wire transfers are the slowest method, generally speaking, with some processing times on the bank’s side taken up to a week. 

Before depositing and withdrawing, you will have to complete a Know Your Customer (KYC) check to confirm your identity and age. When you do this for the first time, you will need to provide proof of identity, but following that you should be able to complete the checks using your online casino’s database. Completing your checks are a prerequisite for making deposits and withdrawals, so ensure you complete the withdrawal KYC immediately to avoid any delays.

Finally, your slot site’s working hours can impact the speed of your withdrawals. While you’ll be able to access your casino’s games around the clock, admin staff at the online slot site may only work regular hours. Therefore, if you make a withdrawal at midnight but the casino’s offices don’t open until 9am, you’ll have to wait until someone’s physically able to begin processing the transaction.

Best Fast Payout Slot Sites

Name Payout speed Bonus Claim Bonus Review Terms and conditions
Payout speed :
2-5 days

100% up to £500

A fantastic slots destination that’s delivered a staggering amount of payouts since its 2019 inception, Jackpot Village also offers fast withdrawals. E-wallet users can expect to have their funds in around 72 hours, although debit card users may have to wait between 6 and 12 working days.
18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Bonus spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 50 bonus spins on 1st deposit, 25% match up to £800 + 25 bonus spins on 2nd deposit, and 50% match up to £500 + 30 bonus spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payout speed :
Instant-7 days

Deposit £10 Get 100 Free Spins

Pokerstars is not just one of the best poker destinations available online in the UK, it’s also a fantastic site for reel-spinning action. If you’re withdrawing less than you deposited, MuchBetter, Neteller, Skrill, and PayPal users will have their funds within minutes. Processing time for these payment methods lengthens to an hour for withdrawals that are larger than your deposit, although this is still considerably faster than the industry average.
New casino players only. Min. £10 deposit with code ‘CASINO100’, debit card only. Valid on 7 slots. 7-day expiry. All spins must be used before cashout allowed. Terms apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Mobile Slot Sites

The simple nature of online slots means gameplay translates well to mobile devices. With so many mobile casino sites, playing slots on your mobile is easier than ever before. Consider these factors when you compare mobile slot sites.

Mobile Optimised vs Designed for Mobile

While online slots used to be made using Flash, the top developers create their slot games using HTML5 these days. This enables smoother gameplay and allows for seamless integration across different devices. Many software houses have optimised older Flash-based slots, adapting graphics and interfaces for use on touch screens. Nowadays, the very best developers design slot games specifically for mobile use, considering how screen size and touch screens impact gameplay.

Web App vs Native App

Virtually every online casino has a mobile website, which means you can play using your smartphone browser. However, the very best casinos also offer mobile casino apps. Of course, you can play slot games on both platforms, but native apps can provide higher quality gameplay because they’re developed specifically for the software on your device. Native mobile apps also have the added bonus of push notifications so you can receive alerts on the latest slots bonuses and newest slots titles as soon as they become available. You can check out our expert casino reviews to see what each mobile slot app brings to the table.

Phone vs Tablet

Mobile play isn’t limited to smartphones, with tablet devices generally getting access to the same native apps as their smaller counterparts. Between the two, it’s hard not to appreciate the larger screen of a tablet whilst playing slots — visual clarity and added space often make slot games come to life in a way that typical smartphones can’t match. That being said, if portability is king for your mobile slots experience, smartphones are the obvious choice.

Slots Sites Advertised on TV

The UK Gambling Commission has placed strict limitations on how, when, and where slots and other online casino games can be advertised on TV, although you’re very likely to see an iGaming ad during a round of channel surfing. You may even see slots and online casinos as TV show sponsors, with reality shows being a particular popular sponsorship choice.

TV advertisements for online casinos and slots have increased in recent years, drawing criticism from responsible gambling lobbyists concerned by their frequency and the impact they could have on problem gamblers. A government review is due in 2020 that could significantly limit or even ban gambling adverts on TV.

Best Slot Sites Advertised on TV

Name Slot games Bonus Claim Bonus Review Terms and conditions
Slot games :
262

Deposit £10 Get £50 + 100 Spins

Known for its focus on humour and star power, Paddy Power’s successful ad campaigns have made it a household name. If Jose Mourinho’s betting trevails as the Special One have piqued your interest, you’ll be pleased to find that the casino and slots experience behind the ads lives up to the hype.
UK &; IRL only. Deposits made with e-wallets are not valid for this promo. Bonus wagering x35 on eligible games. Winnings from bonus capped at £500. Spins available after bonus is redeemed/lost. 10 per day with no wagering. Full T&Cs apply 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
1416

80 Wager Free Spins on 1st Deposit

Championing its player-friendly bonus schemes, namely its lack of wagering requirements, Play Ojo puts its money where its mouth is. The site certainly lives up to expectations, with some of the industry’s most valuable wager-free bonuses and a fantastic slots selection to back them up.
50 Free Spins on first deposit (on Rich Wilde and the Book of Dead). Also, after the first deposit the player can claim an additional 30 Free Spins by visiting the Kicker Section. So the player can receive a total of up to 80 free spins. Please refer to the landing page for all the details. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
745

200% Up To £300

888 Casino means serious business, and it’s reflected in its advertising strategy. As one of the oldest and best online casinos, having launched in 1997, 888 flexes its market dominance through its ads, and you certainly won’t be disappointed by its slots selection.
£20 min deposit, excluding deposits by Skrill or NETELLER • 200% up to £300 Bonus • Bonus wins are capped at £500 • To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Pay by Phone Slot Sites

Through services such as Boku, pay by phone is becoming an increasingly common and popular payment option at the best slot sites. Simply enter your phone number and the amount you want to deposit, and you’ll receive a confirmation code via SMS. Once that code has been entered into the slots site’s cashier page, your deposit will be added to your phone bill at the end of the month. 

Playing online slots with pay by mobile services is a great way to both streamline your payments, track your monthly spending, and manage your deposit volumes. Generally speaking, pay by phone deposits have a low maximum deposit limit, placing a cap on the amount you can input each time.

Unfortunately, you can’t make withdrawals using this method, so you’ll have to do so using another option when you’re ready to draw cash out. Some sites force bank transfers as the withdrawal method when using prepaid cards of pay by phone for deposits, increasing the time you have to wait to get hold of your winnings.

Best Slot Sites for Winning

As with any form of gambling, the draw is as much about the threat of losing as it is the thrill of winning. You’ll never find a slot that’s nailed-on for big payouts, but the game you select can certainly enhance your chances. The best payout slots you’ll find in June 2021 are often those with the best online slots payout percentage, or RTP as we’ll explain below, and the best slot sites for winning can generally be traced to the RTP rates offered by their slots selections. With that in mind, the best slot sites for winning are those that offer a strong selection of slots titles with high RTP ratios. 

Understanding Online Slots RTP

Before you play online slot games, you should understand how the return to player (RTP) percentage works. In short, the RTP is the percentage of wagers that a slot game is designed to pay out over an extended period of gameplay. For example, if a slot has an RTP of 90%, you might win back 90p for every £1 you wager on that game.

Most slots have an RTP of over 90%, and anything over 97% can be considered a high RTP. These percentages are set by software developers as they make the game. However, it’s important to understand that the RTP is theoretical, based on an infinite period of gameplay. This means that, in reality, returns can vary massively, especially during a short period of play.

You can find a slot’s RTP in the paytable. Just click ‘?’

The UKGC monitors both online casinos and software developers to ensure that the RTP for each game is accurate and up to date, ensuring transparency for players. As part of their licensing requirements, slots offered at UK casinos must clearly display their RTP ratios, so you should never be in the dark about a game’s RTP. See below for a selection of high RTP slots you’ll find at the best slot sites for winning.

Best Payout Slots

When it comes to picking the slot that’s best for you, you’re going to want to find one that offers you the best value for money. The payout rate of a slot game is known as the ‘return to player’ ratio, or RTP, and the higher it is the better your chances of landing some wins during your session. Let’s have a look at the slots with some of the highest RTP rates available.

Goblin’s Cave – 99.32% RTP 

Developed by Playtech, Goblin’s Cave leads the market with the size of it’s RTP, sitting at an enormous 99.32%. This 3-reel game is packed with a load of great features, including one in which you can hold symbols for the next round to increase your chances of winning big. The only downside, however, is that in order to access the high RTP you will need to wager the maximum amount.

Mega Joker – 99% RTP

This classic progressive slot game is a staple of NetEnt’s jam packed catalogue. It’s a lot harder to win the jackpot on progressive slot games because you need to regularly bet the maximum amount in order to be within a shot of winning big. Mega Joker is one of the best exceptions to this rule, although it always helps the more you bet.

Cosmic Fortune – 96.9% RTP

Another title from NetEnt’s incredible catalogue, Cosmic Fortune gives you a huge amount of choice. There are 5 different jackpots available in this game, three of which are progressive, and you even get two bonus games and the NetEnt Avalanche feature. There’s something for everyone here on this market leading game.

Ugga Bugga – 99.07% RTP 

With an RTP of 99.07%, Ugga Bugga has a rate of payout that is comparable to Goblin’s Cave. It is also developed by Playtech and the gameplay is similar to Goblin’s Cave because it too also has a hold feature. So, line up 3 wild symbols, and you’ll land the jackpot which pays out at 1,000 times your bet.

Rainbow Riches Pick ‘n Mix (Barcrest) — 96%

This favourite from Barcrest’s Scientific studio is replete with bonus rounds, free spins opportunities and multiplier boosts to go along with its RTP of 96%. You can wager anywhere between 20p and £100, giving you considerable control over your potential winnings and losses. If you land between 3 and 5 Road to Riches symbols, you can read a 500x multiplier against your total bet, provided you haven’t triggered a bonus round yet. 

Jackpot 6000 — 95% RTP

The vintage stylings of NetEnt’s Jackpot 6000 are a shot of nostalgia for seasoned slots fans, and for everyone else you’ll at least be getting a solid slots experience replete with exciting features. With an RTP of 95% and high volatility, you could find yourself on an extended dry run with Jackpot 6000, although you also stand to win big on this classic 3-reeler. The Supermeter feature gives you a chance to boost your winnings each time you land a payline, as well as potentially giving you more Jokers (wilds) in your quest for a jackpot.

Jokerizer — 98% RTP

Yggdrasil puts Jokerizer’s RTP between 88.8% and a whopping 98%, and with such high variance you can expect considerably varying degrees of success during a session with this slot. Nevertheless, Jokerizer’s fun animations and the fact you only need two Joker symbols to land a mystery win whilst in Jokerizer mode—activated by any winning payline—mark this effort from Yggdrasil as one of the most exciting and potentially lucrative slots around.

Blood Suckers — 98% RTP

This low-volatility, 98% RTP slot from NetEnt is a fan favourite for good reason, particularly with a maximum payout of 1014.6x your stake. Wilds and free spins abound on this vampiric slot, and three more scatter symbols will trigger free spins with a 3x multiplier. If you secure three of the stake and hammer bonus symbols, you’ll be transported to the Vampire Slaying bonus round where you’ll be faced with a room of empty coffins. Pick one that has a vampire taking a kip in it, and you’ll land a cash prize weighted against the type of vampire you’ve found.

1429 Uncharted Seas – 98.6% RTP 

This slot from Thunderkick offers a huge RTP of 98.6% with low volatility, and its seafaring stylisation is a fresh and fun take for this five-reeler. With variable bets between 10p and £100, you’ll be in close control of the winnings you’re gunning for, and if you’re lucky enough to land a mermaid symbol you’ll be treated to a 50x payout. Five scatters will land you a maximum 50 free spins too, while its expanding wilds will take over a whole reel for the chance to land more winning paylines.

Star Mania (NextGen) — 97.87% 

NextGen Gaming’s Star Mania is a cosmic experience with a sizable RTP of 97.87%, free spins, and stacked wilds on the centre reels to maximise your chances of landing winning paylines. Line up the most valuable coloured star symbols to secure bigger payouts, and keep an eye out for the bonus scatter symbols which have a maximum payout of 200x your stake.

Slot Variance

High RTP doesn’t necessarily mean you have a better chance of winning, or that a slot is more profitable. Slot variance, or volatility, also plays a role in this. Variance refers to the frequency and size of wins for a particular slot. If a game has low variance, then it is expected to pay out small amounts often. High variance, on the other hand, refers to a slot that pays out infrequently but which can give you more chance of landing a big win when the reels do line up.

For example, while a low variance slot with 97% RTP may payout small amounts frequently, a high variance slot with 92% RTP could pay out less often with, potentially, larger windfalls.

Take a look at our guide to high variance slots for more details.

No Deposit Slot Sites

No deposit bonuses at slots sites are a great proposition if you’re looking to try out some games and features without staking any of your own money. They tend to be quite small, such as £10 in free funds, but the best no deposit slots sites will sweeten the deal by leaving them without wagering requirements. 

That being said, most no deposit bonuses will at least have a winnings cap along with wagering requirements, ensuring that the casino lands a deposit and additional wagers once you’ve played through your bonus.

Let’s say you’ve got a no deposit bonus of £10 available at two different casinos — one has a winnings cap of £50 with no wagering requirements, while the other has a £100 cap and wagering requirements of 50x. Anything you win with the first option is capped at £50, but you can withdraw those winnings without fulfilling any wagering requirements. The second option gives you the chance at winning a maximum of £100, but at 50x wagering you’ll need to wager £5,000 in order to unlock withdrawals.

Best No Deposit Slot Sites

Name Slot games Bonus Claim Bonus Review Terms and conditions
Slot games :
745

200% Up To £300

888 Casino is an old hand in the online casino space, having set up shop on the internet in 1997. It’s £88 no deposit offer is one of the most generous in the industry, although it comes with 50x wagering, a £500 winning cap, and a 14-day expiry period. Be mindful of the requirements when you sign up, particularly as your first deposit will also net 100% up to £100 with 35x wagering.
£20 min deposit, excluding deposits by Skrill or NETELLER • 200% up to £300 Bonus • Bonus wins are capped at £500 • To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
577

150% Up To £150

32 Red Casino offers regular no deposit bonuses, with the most recent being a £10 free bonus for use across the site. Keep an eye out for the site’s bonus updates and take advantage of some of the industry’s most player-friendly approaches to free funds.
New accounts only. Min. £10 deposit, debit/credit card and PayPal only. 50x wagering, game contributions vary, max. stake applies, 7 day expiry. See full terms. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Slot games :
527

£10 Free No Deposit Required

21.co.uk is a favourite for its no deposit bonuses, with new players currently able to claim £10 in free funds for use across its extensive gambling selection. There’s a £50 winnings cap and 50x wagering requirements attached, so make sure you’re happy with these restrictions before you claim your bonus.
Opt in required. 7 day expiry. 99x wagering requirement. £50 max win and withdrawal for non-depositors. Only bonus stakes contribute towards wagering requirements. All games contribute except all blackjack variants. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Our Top Picks

Slot Site Category
Play Ojo Best no wagering slot site
Spins Royale Best new slot site
All British Casino Best real money slot site
Jackpot Village Best fast payout slot site
21.co.uk Best no deposit slot site

Online Slot Tips to Improve Your Playing Experience

Wondering how to win at slots? While there are no hard and fast ways to guarantee success on the slots, we have a few online slots tips to bear in mind as you select your games.

  • Remember to play for fun

While you’ll struggle to find anyone that doesn’t love hitting a jackpot, the reality of slots is that you’ll be losing a lot more often than you win. If you find that you’re hitting the spin button out of frustration at a losing streak rather than for the thrill of watching the reels slide into position, your best bet is to walk away and come back later. As they say: when the fun stops, stop.

  • Choose slots that work to your budget

Payouts scale with denominations wagered. Ergo, if you’re betting on a 10p slot, you can expect a winning payline to cough up less than a 50p slot. That being said, your slots experience will be short-lived if you only have the budget for 20p wagers and you’re wagering 50p with each spin. Consider how long you want to play for and how much that duration might cost if you don’t hit any winning paylines, and you’ll be able to make a sound judgement on how much to wager with each spin. Once you’re armed with that information, you’ll be well positioned to pick an appropriate slot for your budget.

  • Be sure to wager the necessary amount for the jackpot

If you’re playing a progressive jackpot, a percentage of each wager goes towards the jackpot and racks up tantalisingly throughout your session. Most slots of this breed require you to wager a certain amount with each spin in order to qualify for the jackpot, so be sure to pay attention to the minimum required if you’re playing a jackpot slot.

  • Pick slots from top developers

Keep an eye on who developed the games you’re considering. Generally speaking, the best-known names in the industry are that way for a reason: they make the best games. Pay attention to the return-to-player ratio as well, and ensure you’re playing on games with an RTP of at least 95%. Volatility plays a part as well, with high volatility slots paying out per win but tending to deliver more protracted dry spells.

  • Pick a bonus that’s slots-focused

When you’re selecting a new slots site to sign up to, you ought to consider going for bonuses that lend themselves well to slots. Free spins are a no-brainer, but be sure to check whether they have a winnings cap or wagering requirements attached to avoid having the rug swept out from under you when you land a win. Wager-free bonuses are the holy grail of bonuses generally, but they’re a particularly handy way to hit the slots without having to wager your own cash.

  • Set time and wager limits for yourself

It’s no secret that slots are designed to massage your dopamine receptors and keep you fixed to the spin button, so always try and exercise your best judgement when playing the reels. Set a time limit so you don’t play for longer than you want to and be sure to set a hard limit for the amount you want to spend during your session.

How Does The UKGC Regulate Slot Sites?

The UK’s gambling scene is regulated by the UK Gambling Commission (UKGC), and it’s this body that awards gambling licences to sites and operators both online and at land-based venues. Every site ranked and reviewed on TopRatedCasinos is fully licensed by the UKGC, meaning you can be sure that every slots site listed here meets the body’s strict standards and guidelines.

In order to land a licence, slot sites are subject to regular audits focused on game fairness, they must behave ethically and enact measures that drive responsible gambling, and all customer transactions must be encrypted for added security. Casinos must also implement anti-fraud and anti-money laundering measures in order to gain and retain a UKGC licence.

Slots draw particular attention during game audits as they must have provable randomness, and they must match the RTP advertised too. This ensures that the games you’re playing aren’t rigged against you.

Casino Bonuses for Slots

Every top UK slots site will deliver welcome bonuses for new players and ongoing rewards for returning users, and they each come in a broad range of variants. From welcome bonuses to reload rewards, these are the bonuses you can expect to see at online slot sites in June 2021.

Free Spins

Free spins are a great way to boost your slots bankroll and enjoy extended playtime on some top titles. Many of the best slot sites offer free spins as part of the welcome bonus for new players, and they’re awarded when you make your first deposit. You could grab between 20 to 200 free spins, depending on where you play. While some welcome packages offer a set number of spins, other bonuses increase the number of bonus spins in line with your deposit amount. Free spins typically come attached to winnings caps and wagering requirements, so be sure to read the terms and conditions before settling on an offer to make sure it’s right for you. The actual value of free spins can also vary depending on which slots they’re eligible for, so pay attention to game restrictions too.

No Deposit Bonuses

Thanks to no deposit bonuses and free spins, you can play real money slots without even making a deposit. All you need to do is sign up and verify your account to grab this reward. These free spins bonuses are usually more modest than deposit deals, and usually max out at 10 or 20 no deposit free spins. but they still give you the chance to play slots online and win real money without having to dip into your own funds. No deposit bonuses can generally be expected to come tethered to wagering requirements and winnings caps, although some sites, such as 32 Red, often waive such restrictions. Check out an individual site’s terms and conditions to get a feel for how their no deposit bonuses will play out, and whether they’re well-suited to slot players.

Matched Deposit Bonus

Matched deposit bonuses see top online casinos reward new players with a percentage of their first deposit as bonus funds. These bonuses offer players more flexibility than free spins deals as you can use these bonus funds to play games such as roulette and blackjack in addition to online slots. The percentage match varies between casino sites, ranging from 50% to 200%, and will often be advertised as something like: ‘200% deposit match up to £100’. These are the most lucrative bonuses out there, but they’re also apt to be tied to the steepest wagering requirements. Take a look at both the individual site’s terms and conditions, as well as whether your initial deposit will be included in the wagering requirements as this can significantly increase the amount you need to wager in order to make withdrawals. Nevertheless, with the opportunity to double your bankroll—or even triple or quadruple it—you can set yourself up with a huge glut of slots spins on top of your initial deposit.  

Reload Bonuses

As the name suggests, reload bonuses are awarded when you make deposits beyond your initial one. While you won’t be eligible for welcome bonuses after your first deposit, operators often reward returning players with smaller bankroll boosts and free spins — always handy when you’ve got a penchant for spinning the reels. These bonuses may be linked with winnings caps, game limitations, and wagering requirements, so check the terms and conditions to avoid any unwelcome surprises.

Rebate Bonuses

Rebate bonuses are a welcome reward for anyone on a losing streak, which might especially be the case if you’re playing a slot with high volatility. This bonus returns a percentage of your stake back to you either as you lose or when you’re on a run of losses, softening the blow somewhat. Rebate bonuses are rarely, if ever, awarded as withdrawable funds, so bear in mind that this returned cash will usually have to be wagered again with the online casino.

VIP Bonuses

Whether your top slots site offers a tiered VIP system that sticks you into the mix from day one, or an exclusive invite-only system, VIP bonuses are a pleasant addition to any player’s bankroll. Coming in the form of bonus funds, free spins, birthday rewards, dedicated account managers, enhanced odds on sportsbooks, real-world prizes, and more, VIP bonuses are a great sidebar to your slots experience.

Comp Points

Operating in a similar way to supermarket loyalty points, slots sites that offer comp points add them to your account as you make wagers. The number of points you earn varies between sites, although you can typically expect a point for every £10 wagered. These points can then be traded in for prizes, either in the form of on-site rewards or physical prizes. Comp points are a slow burn on the prizes front, particularly with the relatively low wagers played on slots, but they’re a pleasant treat when you’ve eventually racked up enough points to claim something.

Regular Promotions

Slots bonuses aren’t just for new players. The best UK slot sites have plenty of regular promotions to keep existing players coming back for more. Happy hour free spins, reload bonuses and VIP bonuses are just some of the rewards up for grabs at online slot sites.

Bonus Calculator

Our bonus calculator tool makes it easy to find out the amount you’ll need to wager in order to meet your bonus’s wagering requirements. Enter the deposit value and percentage, the wagering requirements, the contribution percentage of your favourite game, and whether your casino includes your deposit in the calculation. All of the details you’ll need can be found in your casino’s bonus terms and conditions. Once that’s done, click ‘Calculate’!

Please enter a value between 1 and 500
Please enter a value between 1 and 500
Please enter a value between 1 and 100
£0.00
£0.00
£0.00

Bonus Terms and Conditions

Casino bonuses are much loved by slots fans, though they usually come with strings attached. You’ll need to compare terms and conditions to make sure the slots bonus suits how you intend to play. Read on for a breakdown of the major considerations you ought to have in mind whilst selecting the best slots site for you.

Wagering Requirements

Unless you bag a no wagering free spins bonus, you’ll have to contend with wagering requirements. This means you need to wager your free spins winnings a set number of times before you can make a real money withdrawal. Wagering requirements can vary massively between slot sites, though it’s usually no deposit bonuses that have the highest wagering requirements.

The average wagering requirement you can expect is 35x, although it’s not uncommon to see 50x wagering tied to the most lucrative bonuses. The amount you need to wager in order to make withdrawals can be calculated in one of two ways. Let’s say you’ve claimed a 100% up to £100 welcome bonus with 35x wagering:

  • Deposit excluded: Bonus (£100) x wagering (35) = wagering requirement (£3,500)
  • Deposit included: [Deposit (£100) + bonus (£100)] x wagering (35) = £7,000

As you can see, the way your online casino calculates wagering requirements can have a huge impact on the amount you need to wager in order to unlock withdrawals, so be sure to check the terms and conditions to find out how an individual casino does things.

Wagering Contributions

Not all games are equal when it comes to completing wagering requirements. While bets on most slot games contribute 100% to wagering requirements, betting on table games can count for as little as 10% and are sometimes excluded altogether.

Games Restrictions

Free spins bonuses are often restricted to certain online slots. While some casinos reserve free spins for slots developed by a particular software house, others specify just a handful of titles. You might find these deals are for a specific title, such as free spins for Starburst, or for the latest slot games.

Time Limits

You won’t have forever to use your slots bonus and complete your wagering requirements- there’s almost always an expiry date. While some slot sites give you up to 30 days to use your bonus, others allow just a couple of days.

Max Win Limits

It’s unlikely that your free spins bonus is a free ticket to hitting the jackpot. Even if you can play progressive jackpot slots with free spins and hit the jackpot, maximum win limits could mean you only see a fraction of those winnings as real cash.

Rank Online Casino Bonus Offer Minimum Deposit Free Spins Wagering Sign Up Terms
1
WELCOME OFFER

100% up to £250 + 30 Free Spins

Min deposit
£10
Free spins
777
Wagering
50x
For every £1 you bet, Vegas Spins will match it (up to a max of £250). 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
2
WELCOME OFFER

100% up to £500

Min deposit
£20
Free spins
50
Wagering
40x
18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Bonus spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 50 bonus spins on 1st deposit, 25% match up to £800 + 25 bonus spins on 2nd deposit, and 50% match up to £500 + 30 bonus spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
3
WELCOME OFFER

100% Up To £25 + 20 Bonus Spins

Min deposit
£10
Free spins
20
Wagering
30x
18+. New UK customers only. Opt-in required. 20 Bonus Spins on "Book of Dead" and 100% Deposit Bonus up to £25 on first deposit. Min deposit £10. 30x wagering requirement for Bonus Spins and 30x wagering requirement for Deposit Bonus (game weighting applies). Max £5/spin or £0.50/line or £10/round (live casino). 30 days expiry. T&C's Apply. Please gamble responsibly. www.begambleaware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
4
WELCOME OFFER

100% Up To £150 + 15 Free Spins

Min deposit
£10
Free spins
No free spins 0
Wagering
35x
100% welcome bonus worth up to £150 is only valid for new players who have registered but have not made any deposit. The value of the bonus has a play through of 35 which must be met to validate any winnings deriving from it. The offer is valid for all payment methods available in Novibet, apart from Neteller and Skrill. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
5
WELCOME OFFER

100% up to £100 + 10% Cashback

Min deposit
£10
Free spins
No free spins 0
Wagering
40x
New customers only. Min deposit £10. Wagering 40x bonus. Max bet £5 with bonus funds. 100% bonus up to £100. Eligibility is restricted for suspected abuse. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&Cs apply 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

In-Game Slots Bonuses

It’s not just online slot sites that boast rewards, many individual slot games also feature a variety of in-game bonus features to boost your gameplay. These are the most common:

Wilds

Wild symbols act as a substitute for other symbols to increase your chances of landing a winning combination.

Stacked Wilds

These wilds stack up on top of each other and can cover entire reels, giving you even more opportunity to bag some returns.

Expanding Wilds

As the name suggests, these wilds expand to substitute other symbols across the reels to create more winning opportunities.

Sticky Wilds

Sticky wilds stick to the reels for a certain number of spins, so you’ll have a better chance of a win on the next turn.

Scatters

When a scatter appears on a reel it can unlock features such as free spins, bonus rounds or minigames for added excitement— and hopefully winnings.

Multipliers

These highly sought-after symbols increase your winnings. The more multipliers you land on a winning combination, the more you’ll win.

Top Online Slots Software Providers

While some casinos specialise in games from just one software provider, others feature titles from a wide range of developers. If you’re a fan of a particular brand, knowing which slot sites use its software can make finding your ideal casino that much easier.

While pretty much every casino software provider has slot games in its portfolio, this selection of industry leaders are sure to offer top online slots experiences.

NetEnt

NetEnt is one of the biggest names in casino software development, and it shows in their collection of top slot games. Responsible for some of the most popular titles around, including Starburst, Gonzo’s Quest Megaways, and Jack and the Beanstalk, it’s easy to see how NetEnt earned its reputation. 

The NetEnt Rocks slot selection serves up plenty of music-themed games, such as Jimi Hendrix and Ozzy Osbourne slots. NetEnt also offers some of the biggest progressive slots in the business — Mega Fortune once paid out a massive €17.86 million to a very lucky Swedish player. The developer took home the gong for Innovation in Slot Provision at the EGR Awards 2016, and its Jumanji slot landed the title of Casino Product of the Year at GGA’s London 2019 awards, so you know that its games are among the best of the best.

NetEnt’s Starburst

Microgaming

With famous titles like Hot Ink, Thunderstruck and Jurassic Park in its portfolio, Microgaming definitely knows its stuff when it comes to online slot games. This developer also proudly holds the world record of largest ever slot payout, when one player bagged a whopping £13 million progressive jackpot on Mega Moolah. Microgaming won the EGR Innovation in Slot Provision award in 2011, and since then has taken home prestigious awards, such as iGaming Software Supplier of the Year at the 2018 International Gaming Awards.

Microgaming’s Jurassic World

Playtech

This software giant won EGR Slots Provider of the Year in 2013 and its quality software has continued to take home prizes ever since. Playtech made its name with a top collection of online slots including the likes of White King and Jackpot Giant, as well as iconic film and comic-themed titles, such as Gladiator and Superman. The Age of the Gods series is Playtech’s best-known game collection,  though Ugga Bugga and Goblin’s Cave feature some of the highest RTPs on the market—99.07% and 99.32% respectively.