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Best Payout Slots - Top Payout Online Slots UK

By Marcus Lawrence 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.

When it comes to online casinos, slots are known to offer the highest potential winnings of all games. We’ve lined up a list of the very best slots to play for high payout percentages—otherwise known as high RTP—so you can easily locate the most generous games on the market. 

 

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A few lucky players turn low-stakes spins into big wins, but progressive jackpot games aren’t the highest paying slots by frequency. 

We’ve also covered exactly what it is that makes a high paying slot, as well as how to identify them so that you can easily find and enjoy the highest payout slots at online casinos.

Want to try your luck on high-paying slots? Look no further than our list of the UK’s best slot sites.

The UK's Best Payout Slot Casinos - June 2022

Name Slot games Bonus Score Claim Bonus Review Terms and conditions Information
Slot games :
984+
WELCOME OFFER

Up to £200 Bonus + 100 Free Spins

Our Score
7.4/10
Spin Rio is an excellent casino for the best payout slot titles, featuring the likes of NetEnt's Mega Joker and Steam Tower, Microgaming's Immortal Romance, Playtech's Ugga Bugga, and The Catfather from Pragmatic Play to name just a few.
The Spin Rio welcome bonus will set you up with 100 free spins over your first three deposits to get you started on its extensive slots range.
You'll also find that Spin Rio offers fast payouts on a broad range of payment options, including Visa, Trustly, PayPal, and AstroPay.
Terms and Conditions Apply. New Players only. 18+. Min First Deposit £10. Min Second and Third deposit: 20. Wagering requirement apply 35x. Offer valid for 72hr. Spins expire after 24hr. 100 spins includes 3 deposits. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

What we like

  • 100 free spins in the welcome bonus - ideal for slots fans looking to get started with a new best payout slots site
  • Fast withdrawals - it goes without saying that fast payouts are a great benefit for any casino site, and Spin Rio offers instant withdrawals on several options
  • Exciting design - getting into the party atmosphere at Spin Rio is easy thanks to its fun design and aesthetics, but remember to always gamble responsibly

What we don't like

  • No mobile app - it's always nice to have a bespoke app, but thankfully Spin Rio's mobile website is very strong
  • Lack of 24/7 support - while Spin Rio offers plenty of customer service channels, it would be nice to have them available around the clock
Slot games :
571
WELCOME OFFER

100% up to £50 + 50 Free Spins

Our Score
7.7/10
Voodoo Dreams has been on the scene since 2019 and has made a solid name for itself as a best payout slots site with an exciting duels feature and magic spells system.
With 50 free spins and no wagering requirements attached to them, you'll be able to make a solid start to your slots journey with Voodoo Dreams.
The site features the likes of Blood Suckers from NetEnt, Yggdrasil's Jokerizer, and many more of the best payout slots available.
18+ new players only. Maximum £50 bonus. Minimum deposit: £20. Deposit Bonus wins are capped at £500. Max bet with active bonus: £2. Wagering requirement 100% match deposit bonus: 30 times sum of deposit + bonus. Winnings from Free Spins are credited as Real Money without wagering requirement. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus. Deposit Bonus expires after 30 days if wagering requirement has not been met. Free Spins expire after 3 days. One bonus allowed per person, address, device, IP. www.begambleaware.org For full bonus terms and conditions, please read below. Responsible Gaming 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

What we like

  • Slots library filled with top developers - quality is the order of the day at Voodoo Dreams
  • Exciting, novel theme - we think the best payout slots sites should be as fun as their games, and that's the case here
  • No wagering free spins - you can claim anything you win with your free spins bonus immediately

What we don't like

  • Filtering options could be better - it's a simple addition that makes finding the best payout slots a lot easier, and we'd like to see it here
  • No mobile app - it isn't a deal-breaker thanks to Voodoo Dreams' solid mobile website, but a native app would be a nice touch
Slot games :
900+
WELCOME OFFER

100% up to £200 + 100 Spins

Luckster is a new best payouts casino site that has a massive number of slots to choose from, including Immortal Romance from Microgaming and NetEnt's Blood Suckers.
New players can claim 100 free spins across their first three deposits, and there are regular slot tournaments held on-site with massive cash prizes.
If you're after a best payouts slot casino that's fresh on the scene, Luckster is a solid bet.
Applies only to new depositing players. Minimum deposit £10. Wagering requirement x35. Offer valid for 24hr. Free spins included 3 deposits. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

What we like

  • Huge range of slots - there's no shortage of options at Luckster
  • Fast payouts - you won't have to wait long for your withdrawals if you select a fast payout method like PayPal or Trustly
  • Sports betting options - if you ever fancy a flutter on the Premier League between spins, Luckster's got you covered

What we don't like

  • Site design could be a bit tidier - it's definitely functional and has strong branding, but there are definitely prettier online casinos out there
  • Average wagering requirements on free spins - 35x wagering may be the industry average, but we like to see sites bring that down a bit for their free spins offers

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

The Top 10 Best RTP Slot Games - June 2022

icon UK Licensed
icon Expert Reviews
icon Mobile Friendly
icon Fast Payouts
Rank Slot Game Reels Paylines VARIANCE RTP Claim Bonus
1
Reels
9
Paylines
5
VARIANCE
Medium
RTP
98.9%
Claim Bonus
at Race Casino
Developed by NetEnt, and with an incredible return to player (RTP) rate of 98.9%, Mega Joker is comfortably one of the best payout slot games for UK players. The 98.9% RTP rate is well above the industry average, and it's a video slot with low variance. Payout rates are frequent, but the prizes tend to be small when they land. Mega Joker has a 3x3 playing grid, five paylines, and a maximum win of £30,000. Read more
AVAILABLE AT:
2
Reels
10
Paylines
100
VARIANCE
Medium
RTP
98%
Claim Bonus
at All British Casino
RTP rates on Barcrest’s Rainbow Riches Reels of Gold vary according to how bold players are in their wagers. Any bet under £2 is considered conservative by this video slot, generating an RTP of 92%; wagers higher than this mark steadily raise the RTP to 96%, while the bravest wagers will push the RTP up to 98%. With a jackpot of 500x the stake and 100 different paylines in play, this leprechaun-themed classic is a favourite of many online casino players. Read more
AVAILABLE AT:
3
Reels
5
Paylines
15
VARIANCE
High
RTP
97.04%
Claim Bonus
at Fun Casino
NetEnt’s Steam Tower comes with five reels, 15 paylines, and an RTP of 97.04%, making it one of the best paying slot games in the UK. Bet limits range from £0.15 to £150, with the biggest jackpot win paying out at 2,000x the stake. During the free spins bonus round – triggered by stacking Wild icons – all bet lines are subject to the in-play multiplier, which updates prior to each free spin and according to the level players are on. Read more
AVAILABLE AT:
4
Reels
5
Paylines
243
VARIANCE
High
RTP
96.8%
Claim Bonus
at Slotnite
In recent years, Microgaming’s Immortal Romance has been one of the best slots for winning. There are 243 different ways to win on this 5x3 video slot, producing an RTP rate of 96.8%. Wagers range from 30p to £30, with a jackpot payout of 12,150x the stake. Immortal Romance is a high variance slot – big wins are extremely hard to come by, and players should expect frequent but smaller payouts instead. In fact, Immortal Romance’s hit frequency of 31.21% means that on average, players will find a winning combination almost every three spins.
Read more
AVAILABLE AT:
5
Reels
6
Paylines
10
VARIANCE
Medium
RTP
99%
Claim Bonus
at Spin Rio
Playtech’s Ugga Bugga is a 2013 slot with a massive RTP rating of 99.07%. Although this RTP is way above the average, Ugga Bugga is a low volatility slot, meaning that payouts are frequent but small. This slot game has a unique layout, with icons appearing on a 10x3 grid, generating a maximum payout of 1,000x the stake. With a wager range of £0.10 to £250, this means players can stand to win a max jackpot of £250,000. Read more
AVAILABLE AT:
6
Reels
5
Paylines
10
VARIANCE
Medium
RTP
99%
Claim Bonus
at Casumo
2015’s Ooh Aah Dracula by Barcrest is a ten payline, medium volatility slot that takes place on a 5x3 grid. Players wager coins rather than cash in this game, with betting ranges stretching from 0.01 to 50, and a max win of 250,000 coins. The game incorporates two RTP rates: for the base game this stands at 96%, but if players sink their fangs into the High Roller bonus, the RTP is bumped all the way up to an impressive 99%. Read more
AVAILABLE AT:
7
Reels
3
Paylines
5
VARIANCE
High
RTP
98.9%
Claim Bonus
at Plaza Royal
NetEnt’s Jackpot 6000 is a nostalgic nod to the fruit machines of the past, seemingly taking place in a physical casino. Released in 2014, this is a high volatility slot with five paylines and a base RTP rate of 95%. Betting limits are strict, with a maximum bet of £2 and a maximum payout of 6,000 coins. If players want to make use of the slot’s Supermeter mode, they’ll raise the RTP to 98.9%. Read more
AVAILABLE AT:
8
Reels
5
Paylines
9
VARIANCE
Low
RTP
98.1%
Claim Bonus
at Regent Play
The Catfather aligns Garfield with Don Corleone in this unusual slot by Pragmatic Play. The game was released in 2016 to much acclaim, with players enjoying the quirky theme and high RTP rate of 98.1%. The Catfather is a low volatility slot with nine paylines that takes place on a 5x3 grid, where all kinds of felines look to build winning combinations. Pragmatic even had fun with the betting limits, which begin at £0.09 and rise to £45; max payouts are set at 5,000x the stake. Read more
AVAILABLE AT:
9
Reels
5
Paylines
25
VARIANCE
Low
RTP
98%
Claim Bonus
at Rialto Casino
NetEnt’s gothic-themed Blood Suckers is considered one of the best games in recent online casino history. Released in 2013, Blood Suckers’ strong theme and high RTP of 98% has endeared this game to slot fans. The game has a low volatility rating and there are 25 paylines on the 5x3 grid. Bets can be placed between £0.25 and £50, and there’s a maximum payout of 30,000 coins. Read more
AVAILABLE AT:
10
Reels
5
Paylines
10
VARIANCE
High
RTP
98%
Claim Bonus
at Kassu
This high volatility slot from Yggdrasil is known for being one of the best payout slots available. Jokerizer features an RTP range of 88-98%, a £60,000 maximum win, and 10 paylines across its 5x3 reel structure. Hitting a win sends players to the Jokerizer mode, with the chance to land a mystery win. If you secure two joker symbols during this round, the mystery prize will drop with a potential 6,000-coin payout. Bets range from 10p to £2. Read more
AVAILABLE AT:

Where to Play the Best Payout Slots

🎪  Best Casino Site for Mega Joker Race Casino
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💨  Best Casino Site for Steam Tower Fun Casino
🧛  Best Casino Site for Immortal Romance Slotnite
👹  Best Casino Site for Ugga Bugga Spin Rio
🩸  Best Casino Site for Ooh Aah Dracula Casumo
💰  Best Casino Site for Jackpot 6000 Plaza Royal
😼  Best Casino Site for The Catfather Regent Play
🦇  Best Casino Site for Blood Suckers Rialto Casino
🎡  Best Casino Site for Jokerizer Kassu

Pros and Cons of Playing the Best Payout Slots

High payout slots are great for those looking for the best RTP rates, but they won’t be to every player’s taste. Here’s a brief round-up of the reasons for and against playing these slot games.

Pros

  • Play slots with the highest RTP rates – The best payout slots will offer the best RTP percentages of any slot games, so will in theory offer frequent prizes, but remember that any one session can provide big fluctuations in the advertised figure
  • Sample the best game developers – All of the industry’s best slot developers have created high payout slots, so you can enjoy a varied experience when playing these games
  • Enjoy slots across a range of styles – High payout slots can take many different forms – from classic slots with one payline, to Megaways titles with hundreds of thousands
  • Make use of bonus features – Many of the best payout slots will deploy a mix of in-play bonus features, such as multipliers, wilds, free spins, picking games, and additional bonus rounds
  • Suitable for players with small budgets – Since these slots pay out at increased rates on average, players can often spin their reels with small wagers – sometimes as low as a penny
  • Play on mobile – The best payout slots are all mobile compatible, so you can spin the reels on the go

Cons

  • Frequent but small wins – Most high payout slots compensate for the frequency of their payouts by issuing small amounts when players win
  • Strict game weightings – Since high payout slots offer players frequent wins, online casinos often limit contributions to the wagering requirements – check the terms and conditions for a full breakdown of game weightings
  • No guarantee of winning – Although your chances of winning on a high payout slots are increased, there are never any guarantees in gambling

RTP Slot Payout Percentages Explained

The return to player (RTP) ratio is the percentage of all money wagered on a slot game that is paid back out to players. The higher the RTP, the more often the slot pays out on average. So, if a game has an RTP of 96%, it will theoretically pay out 96% of all wagers over the course of its lifetime.
However, RTP is very rarely reflected in a typical play session. The average is calculated based on the wagers all players put into a game over hundreds of thousands to millions of spins. This means you can easily be winning back more or less than the RTP at any one time.

For this reason, it’s best to use the RTP as a rough indicator of how a slot will play out, and you shouldn’t be surprised if your actual returns are some way off.

Another way to think of RTP is in terms of the house edge, which refers to the advantage the casino has over the player in any casino game. This is a necessary feature if the casino is going to make a profit.

The house edge percentage is simply what’s leftover from the RTP, so the house edge for a 96% RTP slots game would be 4%.

RTP Rates: Slots vs Other Casino Games

Typical RTP rates for online slots are somewhere between 95-97%; the higher the figure, the more cash players can expect to win over time. But be careful before drawing conclusions as simple as this: RTP percentages are gathered by collating massive data sets, so don’t reflect what you might win in any individual gaming session.

Standard RTP rates of slots are a little lower than other casino games. A single deck version of blackjack, for example, has the highest RTP of all casino games at 99.75%. This figure decreases with every extra deck that comes into circulation, since with more cards in play, it becomes harder to hit a blackjack. 

When it comes to roulette, RTP rates alter with each variant. European roulette, with just the single zero pocket, has an RTP of 97.3%. American roulette, with its additional double zero pocket, has a smaller RTP of 94.74%, which is below most online slots. French roulette, with its player-friendly rules, has the best RTP of the classic variants: 98.65%.

How to Find the Best Payout Slot Games

Slots are one of the most popular casino games, but which casinos have the best payout rate slots? Here’s what to look for in our extensive casino reviews:

STEP 1
Check the Casino Has a UKGC Licence
If a casino doesn’t have a UKGC licence, it can’t operate in the UK. We only recommend licenced UK online casinos.
Know Your Customer KYC Casino Compliance STEP 2
Review the RTP of Slot Games
The RTP of a slot game is a good way to judge the payout potential. Anything over 95% is considered a good RTP.
Casino FAQs STEP 3
Check the Payment Methods
Make sure the casino has deposit and withdrawal methods that suit you.
STEP 4
Sign Up and Claim your Bonus
Sign up to your chosen best payout slot casino and claim your welcome bonus!

Best Payout Slots – Ways to Win

Working out the number of ways to win a slot game predominantly comes down to three features: its paylines, its multiplier symbols, and its bonus rounds. Below we break down these features and explain how they affect player payouts. 

Paylines

Paylines refer to winning combinations of symbols across the reels. The very first mechanical slot machines had just one payline that paid out when players landed three identical symbols in one horizontal line.

During the early days of online gambling, developers of slot games stuck with simple playlines, but as technology improved, more and more reels and rows were able to be introduced to their slots, raising the potential number of paylines.

These days, you can play slot games with numerous potential paylines that cover different patterns across the reels. In fact, thanks to the invention of slot mechanics like Big Time Gaming’s Megaways framework, some of the best payout slots boasting hundreds of thousands of ways to win.

Multipliers

Another way in which payout opportunities increase is through the use of multipliers. These might feature in the base game of a slot or in a bonus round, boosting any potential winnings according to the value of the multiplier.

For example, if you managed to win £5 on Gonzo’s Quest Megaways, but included in that win was a x5 multiplier, you’d receive £25 in total. 

Bonus Rounds

Many slots increase a player’s chances of winning through bonus rounds, where players might be presented with an entirely new game altogether.

Bonus rounds may include multipliers, free spins, increased wilds, expansion symbols, and other unique payout opportunities. 

Best RTP Video Slots

Here is a selection of the highest RTP slots you can play at UK online casinos.

Goblin’s Cave — 99.32% RTP

Goblin’s Cave, from Playtech, offers the highest RTP on the market — an incredible 99.32% when you bet the maximum amount.

This 3-reel, three payline game also has a hold feature where, after each new spin, you get to choose to hold symbols for the next round and get a better chance of landing a win.

One thing to keep in mind is that the maximum bet requirement means that only those with higher bankrolls will be able to enjoy the maximum RTP.

WELCOME OFFER

100% Up To £300 + 50 Spins

  • Dedicated VIP Programme
  • Considerable Welcome Bonus
Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from Bonus spins credited as bonus funds and capped at £20. Bonus funds expire in 30 days, unused bonus funds will be removed. Welcome Offer is 100% match up to £500 + 50 bonus spins on your 1st deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus funds, deposit and Bonus spins. Only bonus funds count towards wagering contribution 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Ugga Bugga — 99.07%

Also developed by Playtech, a 99.07% RTP makes Ugga Bugga one of the highest payout slots you can play at online casinos. This game is very similar to Goblin’s Cave and also has a hold feature, adding a tactical element you don’t usually get with slots.

Line up three wild symbols and you’ll land the jackpot which pays out at 1,000 times your bet.

WELCOME OFFER

100% Up To £100 + 20 Bonus Spins

  • Bright + Fun Website
  • Very New Slot Games
Opt-in required. 20 Bonus Spins on “Sahara Riches Cash Collect”. 100% Deposit Bonus up to £100 on first deposit. Min deposit £10. 30x wagering on Bonus Spins and Deposit Bonus. Game weighting applies. Max £5/spin or £0.50/line or £50/round (live casino). 30 days expiry. Applies only with a bonus link. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Ocean Princess — 99.07%

Playtech holds the distinction of having developed the top three slots by RTP on the market, with Ocean Princess completing the triumvirate with an RTP of 99.07% when you play the max bet.

The maximum win of 1,000 coins if awarded when three Crown wilds appear on any of the enabled paylines.

WELCOME OFFER

Deposit £10 Get £50 + 100 Spins

  • Generous Free Spins
  • Popular Live Casino
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.

Ooh Aah Dracula — 99%

This game has a base RTP of 96% which shoots up to 99% when you play the Big Bet mode, making this Barcrest title one of the best payout online slots available.

There are two high roller options: play 5 spins for 20 coins and land the Graveyard Bonus if free spins are activated, or play 5 spins for 30 coins to be in with a chance of activating the Super Graveyard Bonus feature.

WELCOME OFFER

80 Wager Free Spins on 1st Deposit

  • Super Fast Payouts
  • No Wagering Required
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.

Tropic Reels — 98.95%

Cementing Playtech’s reputation as one of the most generous slots developers, Tropic Reels comes loaded with the developer’s hold feature and a very high RTP of 98.95%.

The tiger wild is the highest paying symbol in this jungle-themed game — land three on any payline and you’ll bag the max win of x2,500 if you’re playing on the maximum bet.

WELCOME OFFER

Up To £200 + 100 Spins

  • Perfect for VIP Players
  • Excellent Live Casino
New players only. 18+. Min deposit £10. Wagering requirement apply 35x. Offer valid for 72hr. 100 spins includes 3 deposit. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Jackpot 6000 — 98.9%

Jackpot 6000 is a NetEnt slot in which the RTP can reach up to 98.9%. This game is based on classic arcade slots but, thanks to the Supermeter mode, it’s far from your standard 3-reel game.

This option is activated each time you land a win when betting ten coins, offering enhanced bonus features as well as the chance to reach the maximum RTP of 98.9%.

WELCOME OFFER

100% up to £50 + 50 Bonus Spins

  • Great Loyalty Scheme
  • Engaging Platform & Design
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 £10. 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.

1429 Uncharted Seas — 98.5%

Created by Thunderkick, this 5-reel, 25 payline slot has an incredible 98.5% RTP, putting it among the best payout online slots in the UK.

You don’t need to bet the maximum amount to benefit from this great payout rate, meaning Uncharted Seas is a great slot for beginners, casual players, and high rollers alike. With expanding wilds and a free spins bonus round, this title offers plenty of fun for slots enthusiasts.

WELCOME OFFER

100% Up To £100 +10% Cashback

  • Excellent Live Casino
  • Perfect for Both High and Low Limit Games
#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.

Joker’s Strike — 98.11%

Quickspin’s Joker Strike is a great slot for high-rollers, with a collection of features that make this 98.11% RTP slot a tantalising proposition. Its 5×3 reel setup is encircled by an outer wheel which spins for extra prize opportunities, and new symbols appear on the grid each time you land on one.

Its Hi Roller mode offers bigger prizes for bigger bets, and that’s not all. If you bet £20 you’ll be guaranteed a wild from every five spins, and £30 stakes will land a wild on both the reels and the bonus wheel for a double chance game.

£50 stakes, meanwhile, receive extra wilds and strikes, and an additional marker spinning both ways on the bonus wheel, meaning you’ll have heightened chances of landing the eponymous joker strike feature.

WELCOME OFFER

100% Up To £300

  • Big UK Brand Name
  • Great Live Casino Offering
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.

Jokerizer 98%

Jokerizer by Yggdrasil is another slot that offers an increased RTP in high roller mode. This Jokerizer mode, in which the RTP increases to 98%, is activated whenever you land a win. This mode does cost 20 coins per spin, however, so you’ll need a sizeable bankroll to activate the maximum payout percentage.

WELCOME OFFER

100% Up To £300 + 50 Spins

  • Dedicated VIP Programme
  • Considerable Welcome Bonus
Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from Bonus spins credited as bonus funds and capped at £20. Bonus funds expire in 30 days, unused bonus funds will be removed. Welcome Offer is 100% match up to £500 + 50 bonus spins on your 1st deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus funds, deposit and Bonus spins. Only bonus funds count towards wagering contribution 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Rainbow Riches Pick n Mix 98%

This sequel to Barcrest’s Rainbow Riches introduces new bonus features and the Big Bet feature. As in Ooh Ahh Dracula, playing in high roller mode increases the RTP to 98% and gives you the chance to win better bonuses with increased prizes. In Rainbow Riches Pick n Mix, you can pick up to three out of the five bonus features, so this colourful slot promises lots of entertainment.

WELCOME OFFER

100% up to £100 + 300 Free Spins

  • Great VIP Section
  • Rapid Deposits & Withdrawals
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. Click here for full T&Cs 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.

Hot Ink — 97.50%

This tattooist-themed slot is a fantastic, high-RTP option with over 1,024 winning paylines. Playing Hot Ink is simple: all you need to do is select how many coins to wager, and you’re good to go. For a fee, you can respin individual reels if you’re just shy of a winner, and a couple of bonus rounds are offered, too.

If you score three or more tattoo bonus symbols, you’ll activate a minigame in which you select tattoos with the chance to win some cash — if you complete the set, you’ll also secure a 2x multiplier and 10 free spins.

Anyone lucky enough to land three or more Pisces symbols boosts your chances of success even further, with 20 free spins, another 2x multiplier, and a retrigger feature.

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What Makes a High Paying Slot Game?

The return to player (RTP) is the percentage of all money wagered on a slot game that is paid out back to players. The higher the RTP, the more often the slot pays out on average. So if a game has an RTP of 96%, you could, in theory, expect to get back 96p of every £1 you wager over an extended period of play.

However, RTP isn’t quite as simple as that. The average is calculated based on the wagers all players put into a game over an infinite number of spins. This means you can easily be winning back more or less than the RTP at any one time. For this reason, it’s best to use the RTP as a rough estimate of what you could win, and don’t be surprised if your actual returns are some way off.

Most online slots have an RTP of 94% to 96%, so any game with an RTP of 97% or more would be considered a high payout slot. However, these RTPs aren’t always set in stone – some slots’ RTPs change depending on how much you wager. For example, in certain titles, you have to bet the maximum stake with each spin in order to activate the highest possible RTP.

As a general rule, it’s a good idea to select a slot with a high payout percentage. Most online slots have an RTP of 94% to 96%, so any game with an RTP of 97% or more could be considered among the best paying online slots.

However, these RTPs aren’t always set in stone – some slots’ RTPs change depending on how much you wager. For example, with certain titles, you have to bet the maximum stake with each spin in order to activate the highest possible RTP.

When choosing the best slot sites for winning, it’s a good idea to check the RTPs of their games before you sign up. UK-licensed casinos are legally required to clearly state this information, making it easy to pinpoint which ones have the best online slots payout percentage.

How to Find a Slot Game’s RTP

Luckily, finding out the RTP of online slots is relatively easy. All licensed UK casinos and software developers must make game RTPs easily accessible in order to ensure transparent gaming. Once you load up a slot, simply click on the ‘i’ or ‘?’ icon to find the RTP either stated alone or as part of the slot’s paytable.

Slot Variance/Volatility Explained

Another important element to consider when taking a look at low and high RTP slots is variance, or volatility, which refers to the size and frequency of online slot payouts.

Low variance means small prizes that payout often, while high variance slots payout less frequently are more likely to hand out sizeable returns when they do. 

These high variance titles could be regarded as the best slot games for those who have larger bankrolls to play with, those who like to hit the slots for occasional sessions, or simply enjoy the buzz of playing at higher risk for potentially higher rewards.

On the flip side, low variance games are popular with players who have smaller bankrolls or who like to be able to play extended, lower risk sessions.

Most progressive slots are high variance, so you’re likely to end up waiting longer for a win than with other, low variance games.

Progressive Jackpots

If progressive jackpots are famous for their enormous payouts, then the titles funding them must be the best paying slots, right? Well, quite possibly, but only if you win the elusive jackpot, which is easier said than done.

Let’s look at an example. Microgaming’s Mega Moolah holds the title for the biggest ever online slot payout — one very lucky player bagged more than £16,000,000 on this game. You might think that this makes Mega Moolah the ‘highest paying slot’, but this title has an RTP of just 88.12%.

That’s pretty low on the RTP spectrum. If you get lucky enough to land a rare win, it’s likely to be a bigger prize. However, on average you’re far less likely to land some returns on Mega Moolah than on the best RTP slots.

A progressive jackpot can be standalone, which means it is individual to one game or pooled between games. In these cases, wagers on multiple titles contribute to the prize fund, so top prizes tend to grow larger and faster.

Best RTP Progressive Jackpot Slots

Looking for the best of both worlds? We’ve picked out some of the best slots to play if you’re looking for a progressive jackpot and high RTP.

Mega Joker 99%

NetEnt’s classic slot Mega Joker doesn’t just give you the chance to win a progressive jackpot — with a payout rate of 99%, it’s one of the highest RTP slots.

Unlike some progressive games, you don’t need to place the max bet to have a shot at the jackpot, though your chances do improve the more you bet. You can either play on the bottom set of reels, or try out the ‘supermeter’ mode to go for bigger prizes.

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Cosmic Fortune 96.9%

NetEnt’s 5-reel, 3-line Cosmic Fortune is one of the best payout progressive slots thanks to its 96.9% payback percentage. There are five jackpots in total, three of which are progressive, as well as two bonus games and NetEnt’s Avalanche Feature in this action-packed title.

The Jackpot Game is triggered by the Free Falls Bonus Game, and you’ll need to land three marbles in the Jackpot Collector Cup for the top prize.

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Gold Rally 96.7%

This 3-reel slot from Playtech has a minimum RTP of 94.71%, but hit max bet and it’ll shoot up to a very respectable 96.7%. You’ll need to bet max and hit the nine scatter symbols in order to land the progressive jackpot but, with a prize pool that hits £1 million fairly regularly, the potential rewards can be lucrative.

Gold Rally is a fairly simple slot—you won’t find any free spins or wilds—but there is a bonus game that can land you an increased payout.

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Mega Fortune 96.6%

Another NetEnt entry, Mega Fortune held the world record for the biggest online slot payout previous to Mega Moolah, paying out over £13 million to one fortunate spinner.

This slot also has a very generous RTP of 96.6%, making it one of the most popular progressive slots on the market. On top of this, there are two local jackpots, free spins, wilds and a bonus game, making for exciting gameplay.

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Divine Fortune 96.59%

Coming in just behind with an RTP of 96.59% is NetEnt’s Divine Fortune slot. Set in Ancient Greece, this slot is packed full of exciting bonuses, including Falling Wild Re-spins, a Wild on Wild feature and the Jackpot Bonus game.

The Jackpot Bonus game offers the chance to win three different jackpots, including the progressive Mega Jackpot.

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Top 5 NetEnt Payout Slots

Founded in Sweden in 1996, NetEnt has produced some of the world’s most popular and best paying slots. Let’s take a quick look at five of their best payout online slots.

Mega Joker – 99% RTP

A classic-style game with two sets of three-reel slots, Mega Joker launched in 2013 and has become a fan favourite thanks to its retro, fruit machine feel and remarkably high 99% RTP.

Jackpot 6000 – 98.8% RTP

Jackpot 6000 offers another nostalgia trip for fans of traditional fruit machines. Released in 2014, its three-reel gameplay is incredibly simple, while the casino-style backdrop and sound effects add to the old school atmosphere.

Blood Suckers – 98% RTP

Released back in 2013, Blood Suckers lets players sink their fangs into a gothic 98% RTP game with five reels, evocative symbols including crossbows and crosses, and a vampire-slaying bonus round.

Böb – The Epic Viking Quest for the Sword of Tullemutt: 98% RTP

The title itself is epic in length, and this 2015 five-reeler lives up to the billing with its plethora of helmet, battleaxe, and longboat symbols, not to mention the bonus game where players hunt down hidden swords for cash rewards.

Kings of Chicago – 97.8% RTP

Launched in 2011, Kings of Chicago changes things up by dealing out cards rather than spinning symbols. It’s still very much a slot game, though – a familiar five-reeler which pays out depending on which poker hands come up.

Netent Slot Game RTP
Mega Joker 99%
Jackpot 6000 98.8%
Blood Suckers 98%
Böb – The Epic Viking Quest for the Sword of Tullemutt 98%
Kings of Chicago 97.8%

Top 5 Microgaming Payout Slots

Based on the Isle of Man, Microgaming developed the first mobile casino software back in 1994. As you might expect from such a big name in the industry, several of its games are up there among the best RTP slots.

Hot Ink Slot – 97.5% RTP

Launched in 2011, the tattoo-themed Hot Ink Slot has five reels, 1,024 paylines, and a quirky bonus round where symbols are tattooed onto a woman’s body, providing potential returns along the way. 

Arabian Rose – 97.5% RTP

Inspired by the folklore of the One Thousand and One Nights, the 2014 game Arabian Rose is an unabashedly exotic five-reeler complete with genie lamps, atmospheric music and a generous RTP.

Retro Reels: Extreme Heat – 97.5% RTP

Boasting a sizzling RTP, Retro Reels: Extreme Heat has been a hit with fans of classic slots since its launch in 2011. The slot blends classic symbols like bells and bars with nifty features like being able to re-spin individual reels in a bid for winning paylines. 

Supernova – 97.05%

It may look small with its 3×3 reels, but Supernova makes up for that with cool, sci-fi graphics and a great soundtrack, as well as a multiplier feature which is set on some extra reels. Released in 2017, it still shines brightly in Microgaming’s ever-growing galaxy of slots. 

Couch Potato – 97.05%

With three reels and one fixed payline, Couch Potato is ideal for players feeling too lazy to swot up on complex gameplay and bonus rounds. This 2014 game is also a lot of fun thanks to its cartoonish graphics, 25x Wild multiplier, and hefty RTP.

Microgaming Slot Game RTP
Hot Ink Slot 97.5%
Arabian Rose 97.5%
Retro Reels: Extreme Heat 97.5%
Supernova 97.05%
Couch Potato 97.05%

Top 5 Yggdrasil Payout Slots

Founded in 2013, Yggdrasil Gaming has firmly established itself as a provider of some of the best slot games around right now. Here are five to look out for.

Jokerizer – 98% RTP

Launched in 2016, Yggdrasil’s best RTP slots game is a five-reel experience which gives classic fruit machine aesthetics a glossy makeover. It also features a ‘Jokerizer mode’ which can yield mystery prizes.

Tut’s Twister – 97.1%

A 2018 favourite, Tut’s Twister is a five-reel, Egyptian-themed slot with immersive graphics and exciting game mechanics – entire reels can suddenly transform into sandstorms stacked with wilds, bringing forth free spins and multipliers in the process. 

Beauty and the Beast – 97.1% RTP

Set in the Beast’s castle, this 2017 Yggdrasil slot is a suitably magical-looking game with gleaming jewels, Disney-like graphics and a special ‘Golden Bet’ feature which can boost your chances of bagging free spins. 

Baron Samedi – 97% RTP

Released in 2018, Baron Samedi is a lavish, voodoo-themed, five-reel slot that combines collectable tarot cards and expanding wilds with free spins and progressive benefits. 

Nitro Circus – 97% RTP

Yggdrasil’s first branded game brings the exploits of action sports performers Nitro Circus into the world of slots. Its five reels give way to an arcade-like bonus game, Nitro Jump, where you can perform stunts and collect bonuses along the way.

Yggdrasil Slot Game RTP
Jokerizer 98%
Tut’s Twister 97.1%
Beauty and the Beast 97.1%
Baron Samedi 97%
Nitro Circus 97%

Top 5 Play’n GO Payout Slots

Play’n GO has been developing casino games since 1997 and focuses on the creation of online slots. Its best payout slots don’t have RTP percentages as high as NetEnt’s titles, but there are still some great options in this list. 

Wizard of Gems – 97.7% RTP

Wizard of Gems is a colourful five-reel slot packed full of bonus features. There are echoes of NetEnt’s Gonzo’s Quest in its gameplay — combining the use of cascades with multipliers is a feature slot players love. Free spins and wilds are also in play in this magical slot.

Rage to Riches – 97% RTP

Rage to Riches’ high RTP and low volatility means it’s most suitable for players with smaller bankrolls. Released in 2013, this slot has a retro arcade aesthetic and comes with plenty of bonus features, including a gambling option on every win.

Mystery Joker – 97% RTP

Players can trigger up to 50 free spins in this classic three-reel slot, which is adorned with all the familiar fruit symbols of yesteryear. Landing joker hats will trigger the release of bonus spins; during this free spins round, landing two more joker hats will reward players with a mystery win. 

Gold Trophy 2 – 96.9% RTP

Grab your clubs and head to the golf course in Gold Trophy 2 — a high volatility slot with wilds, scatters, free spins, and multipliers. Close your eyes and it will feel as though you’re strolling around the pristine greens of Augusta!

Pearl Lagoon – 96.9% RTP

Released in 2012, Pearl Lagoon is the oldest slot in this list, but it feels as crisp as ever. The beating drums bring an urgency to the gameplay, and we particularly love the potential to win 60 free spins, which is about as good as it gets. 

Play’n GO Slot Game RTP
Wizard of Gems 97.7%
Rage to Riches 97%
Mystery Joker 97%
Gold Trophy 2 96.9%
Pearl Lagoon 96.9%

Top 5 Playtech Payout Slots

Playtech is known for producing some of the best payout online slots that can be played with very small stakes. Here are the highest-ranked in terms of RTP.

Goblin’s Cave – 99.3% RTP

If an RTP as high as 99.3% isn’t enough to entice you, we don’t know what will be. Created way back in 2007 and still popular today, Goblin’s Cave is an icon of the online slots genre that can be played from just 5p a spin. 

Ocean Princess – 99.1% RTP

The secret to success in Ocean Princess is the slot’s hold feature, which allows players to decide their own level of risk: pick the low-paying symbols for small but more frequent wins, and the red seastars for the reverse. 

Ugga Bugga – 99.1% RTP

Ugga Bugga also deploys a hold feature that will suit more strategic slots players. To hit this game’s max jackpot of 1,000x the stake, you’ll need to line up three of the monolithic wilds. With its energetic drumbeat echoing throughout, this game will transport players to the Pacific islands.

Tropic Reels – 99% RTP

This classic slot has just the one payline in play, and you can spin its three reels from just a penny. True to the classic genre, there are no bonus features in this game except for the wild tiger symbol — land three of these and you’ll win the jackpot of 2,500 coins.

Triple Profits – 98.7% RTP

Another classic slot, Triple Profits also features just the one payline. The gold bars icon serves as the game’s wild, and there’s also a scatter that comes in the form of a money symbol.

Playtech Slot Game RTP
Goblin’s Cave 99.3%
Ocean Princess 99.1%
Ugga Bugga 99.1%
Tropic Reels 99%
Triple Profits 98.7%

Top 5 Blueprint Payout Slots

Blueprint Gaming’s exquisite approach to design has won the hearts of slot fans with an appreciation for nice aesthetics. Check out its best payout slots below.

Deal or No Deal: Go All the Way – 97.4% RTP

One of many slots to take inspiration from the TV game show of the same name, this title features classic fruit symbols across its five reels. There are no bonus features to mention, with the game’s jackpots triggered purely by symbol combos. 

Fortunes of Sparta – 97% RTP

Join the ranks of Spartan armies in this high volatility slot, where players can win up to 100 bonus spins. It’s dramatic, intense, and will probably have you thinking that it’s time to rewatch 300!

Diamond Mine Extra Gold All Action – 97% RTP

This slot is the third instalment of the Diamond Mine series, where players delve deep underground in search of gold. This slot makes use of the Megaways payline structure, delivering up to 117,649 different ways to win. 

Buffalo Rising Megaways – 97% RTP

Set against the big blue skies and stunning mountain ranges of the American Midwest, Buffalo Rising is another slot on this list to deploy the Megways payout structure. The wild animals are the highest-paying symbols, while the buffalo naturally serves as the game’s wild.

Gorilla Gold Megaways – 97% RTP

Gorilla Gold takes the standard Megaways structure and stretches it to 470,596 different ways to win. There are four different sets of six reels in this game which might look complicated at first, but this slot is so well-designed that you’ll quickly get up to speed. 

Blueprint Slot Game RTP
Deal or No Deal: Go All the Way 97.4%
Fortunes of Sparta 97%
Diamond Mine Extra Gold All Action 97%
Buffalo Rising Megaways 97%
TGorilla Gold Megaways 97%

Top 5 Quickspin Payout Slots

Swedish developers Quickspin are known for imbuing their slots with unique gameplay features — here are its best payout online slots. 

Big Bad Wolf – 97.3% RTP

In this high payout slot, Quickspin has taken inspiration from the well-known fairytale of the three little pigs. Big Bad Wolf is practically synonymous with this developer, and this slot is one of its most adored creations. 

Beowulf – 97.2% RTP

Inspired by the anonymous work of an Anglo-Saxon epic poet, Beowulf is a five-reel slot fraught with danger. Like our eponymous hero, you’ll need to slay the monster Grendel in this game, as well as other creatures from Scandinavian folklore. 

Treasure Island – 97% RTP

Bringing the imagination of Robert Louis Stevenson to life is Treasure Island, a five-reel slot that invites players to assemble their motley crew on the creaking Hispaniola. Long John Silver, Captain Flint and Jack Hawkins are your most prized possessions, so keep an eye out for them.

Sakura Fortune – 96.6% RTP

Fire-breathing dragons, princesses, jade statues and cherry blossoms are some of the exotic symbols you’ll come across in this 40-payline slot. Free spins, scatters and stacked wilds help players take home their own fortune. 

Phoenix Sun – 96.1% RTP

The first thing you’ll notice about this slot is that half of its reels are covered at first. To unlock them and increase the number of paylines in play, you’ll need to land some phoenix sun wilds. These will trigger respins, as well as opening up the game’s full set of reels.

Quickspin Slot Game RTP
Big Bad Wolf 97.3%
Beowulf 97.2%
Treasure Island 97%
Sakura Fortune 96.6%
Phoenix Sun 96.1%

Top 5 NextGen Payout Slots

Originally hailing out of Sydney, NextGen Gaming was founded in 1999. It ran as an independent provider of casino games until 2011, when it was acquired by Swedish developer NYX. In 2018, NYX was in turn acquired by heavyweight Scientific Games, through which NextGen now operates as a subsidiary. Let’s take a look at some of its best payout slots. 

Xing Guardian – 97% RTP

Enjoy the peaceful serenity of rural China in Xing Guardian — a 5×4 slot that can be spun from just a penny. There are scatters, two stacked wilds, free spins, and 1,024 paylines all in play in this magical slot. 

Olympus Thunder – 97% RTP

With Mount Olympus standing in the backdrop, spin the reels with the power of the gods in Olympus Thunder. Zeus himself will reward players with three re-spins when landing on the middle reel, during which he expands to boost combo potential. Free spins and multipliers can also be unlocked by the lightning bolt scatter. 

Witch Pickings – 96% RTP

Slot providers usually deploy the witch theme to draw haggard, creepy characters, but this isn’t the case with Witch Pickings. This slot has a relaxed nature, and the witches themselves couldn’t be more amiable — they serve as the slot’s scatter, and landing three of these symbols will trigger five free spins and a picking game. 

Ramesses Riches – 96% RTP

The simple design of this slot will be endearing to many players, with ancient Egyptian iconography laid over the reels. Ramesses is the game’s wild, while the Ankh will launch a gamble feature that gives players the chance to double their winnings and the opportunity to claim some free spins. 

Gorilla Go Wild – 92–96.5% RTP

Trek through the jungle with Gorilla Go Wild, where Gary the lemur will aid your quest for prizes. He acts as the scatter, and will trigger the Gorilla’s Feature Kingdom bonus when three or more land on the reels. At this point, players get to decide which bonus they want to play; the longer you spin the reels, the more bonus features you’ll unlock. 

NextGen Slot Game RTP
Xing Guardian 97%
Olympus Thunder 97%
Witch Pickings 96%
Ramesses Riches 96%
Gorilla Go Wild 92–96.5%

Best Paying Mobile Slots

Want to play the best RTP slots while on the go? All the best online casinos have mobile-friendly websites, so you can do exactly that when you play at our recommended slots sites.

The top slots developers like NetEnt, Microgaming and Playtech all optimise their games for mobile play, meaning you can enjoy smooth spinning when you play on your mobile or tablet.

If you want to enhance your mobile slots experience, download a casino gambling app. A whole host of the UK casinos have native apps that are free to download on Android and iPhone, and come with a number of benefits.

For starters, mobile apps store data on your device, rather than relying on slow web servers, so you can enjoy faster gaming. Plus, if you turn on push notifications, you’ll always be kept in the know on the latest promotions and hottest new slots releases.

Choosing a Reliable Casino

Playing the best RTP slots is all well and good, but it’s important to play at a reliable casino that will pay out if you do land a win.

There