Get 20 Bonus Spins On Play'n GO Games
UK Licensed 
Expert Reviews 
Mobile Friendly 
Fast Payouts 
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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.
| Rank | Online Casino | Casino Rating | Sign-up Bonus | Review | Sign Up | |
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1
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Karamba
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WELCOME OFFER
Get 20 Bonus Spins On Play'n GO Games |
#AD 18+. New players only. Min deposit £20. Max bonus bet £5. Offer is: 20 bonus spins when you make your first deposit. To claim the bonus spins you also need to wager a minimum of £20 of your first deposit on slots or Slingo games. Spins valid on Play’nGo slots only. Winnings from bonus spins are credited as bonus funds and capped at £20. Bonus funds are separate to Cash funds, and are subject to 10x wagering. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. Terms Apply. GambleAware.org. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
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2
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BetMGM Casino
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WELCOME OFFER
Get 200 Free Spins When You Play £10 |
#AD 18+ New cust only. Opt-in required. Time to deposit/wager 7 days. Deposit £10 & wager 1x on casino games (wagering contributions vary) for 200 Free Spins worth 10p each on Big Bass Splash. 3 day reward expiry. T&Cs apply. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
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3
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Casumo
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WELCOME OFFER
50% Match Up To £100 |
Expert Review |
#AD 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly | GambleAware.org 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
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4
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Mr Green
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WELCOME OFFER
Get 200 Free Spins When You Deposit & Stake £10 |
#AD 18+. New customers only. Register, deposit & spend a minimum of £10 on Casino to receive 200 free spins (accept within 48hrs & wager winnings 10x within 7 days). Selected games only. Debit cards only. Offer Ends 30.04.26. T&Cs Apply | GambleAware.org 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
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Why Play Gem Burst
Symbols & Features
There are 11 symbols in Gem Burst: four low paying ones, four high paying ones, the wild and the Blasting Free Games scatter symbol. The card values J, Q, K and A represent the low paying values, whilst four different coloured rock/meteorites with crystals on them are the high paying ones. The wild is an assortment of crystals and substitutes for all regular low and high paying symbols.
Blasting Free Games
The Blasting Free Games scatter symbol (a stick of dynamite) triggers the Blasting Free Games feature when you land at least three of them on the reels. Each symbol can turn into up to three Blasting Free Games Bombs and each of these awards you with two free games. The smallest number of free games you can claim is six, while the largest is 30. Underneath each of the reels is a stick of dynamite symbol matching the scatter symbol. Once you’ve landed enough scatter symbols to trigger the free games feature, you have to drag each Blasting Free Games Bomb into the five dynamite sticks below the five reels; each one can hold a maximum of three Bombs.
Blasting Free Games
The Blasting Free Games scatter symbol (a stick of dynamite) triggers the Blasting Free Games feature when you land at least three of them on the reels. Each symbol can turn into up to three Blasting Free Games Bombs and each of these awards you with two free games. The smallest number of free games you can claim is six, while the largest is 30. Underneath each of the reels is a stick of dynamite symbol matching the scatter symbol. Once you’ve landed enough scatter symbols to trigger the free games feature, you have to drag each Blasting Free Games Bomb into the five dynamite sticks below the five reels; each one can hold a maximum of three Bombs.
Our verdict
Gem Burst is a dazzling space/mine themed Playtech slot with an impressive RTP of 96.16%. While it certainly looks the part, it’s got more than enough great features to make for an entertaining and thrilling video slot. Give it a spin and try to land some Mystery Symbols during the free games round, as these can offer some pretty good cash prizes!
| Free spins | Autoplay |
| Progressive | Bonus rounds |
| Multipliers | Mobile |
| Free spins | Autoplay |
| Progressive | Bonus rounds |
| Multipliers | Mobile |
| Free spins | Autoplay |
| Progressive | Bonus rounds |
| Multipliers | Mobile |