Gems Bonanza Slot Casinos: Top Picks to Play Online in the UK
Written by James Gibson
Gems Bonanza is an online slot from Pragmatic Play that was released in late 2020. Highly volatile, it’s a cluster pays slot with an RTP of 96.51% and multiple base game enhancers. The most you can win when playing Gems Bonanza is 10,000x your bet.
Once you finish reading our review, why not give the slot a spin? We’ve listed some of the top-rated Pragmatic Play casino sites where you can play Gems Bonanza. Each of these is a trustworthy casino that’s fully licensed and is safe to join.
Best Gems Bonanza Casino Sites for 2026
| Position | Casino test reports | Rating | Bonus | Special features | Payout rate | Payout duration | Casino Games | To the provider | General terms and conditions |
|---|---|---|---|---|---|---|---|---|---|
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| 1 | BetMGM | 5.0/5 | 200 Free Spins When You Play £10 |
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95.57% | 1 - 5 days | 3000+ | Claim Your Bonus! | T&Cs Apply New customers 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. 18+. Please gamble responsibly. BeGambleAware.org |
| 2 | NetBet | 4.9/5 | Get 100 Free Spins When You Bet £20 |
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| 3 | Casumo | 4.8/5 | 50% Deposit Match up to £100 |
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97.23% | 1 - 5 days | 3812 | Claim Your Bonus! | Full T&Cs apply. 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 • BeGambleAware.org |
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96,70% | 3 - 5 Days | 2000+ | Claim Your Bonus! | Full T&Cs Apply. 18+ | GambleAware.org. New GB customers only. Opt in, Deposit & Stake £30 on Slots to get 320 x £0.10 Free Spins on Big Bass Splash with 10x wagering on free spins. Debit card or instant bank transfer only. Claim within 7 days. Spins expire within 48 hours. Geographical restrictions and T&Cs apply. |
| 5 | Videoslots | 4.7/5 | 100% up to £50 + 11 Wager-Free Spins |
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96.00% | 1 - 5 days | 3888+ | Claim Your Bonus! | Full T&Cs Apply. New players only. Min. dep £10. Wager req. 10x. 18+ Play Responsibly. GambleAware.org |
This review gives you a summary of the Gems Bonanza slot. It covers all the most important facts and stats, plus it explains how the gameplay mechanics and special features work. Carry on reading if you’re keen to learn more about Gems Bonanza.
Overview of the Gems Bonanza Slot Game
Gems Bonanza in Brief:
- Release Date: 29 October 2020
- Type: Video Slot
- Theme: Gems, Aztec
- Software Studio: Pragmatic Play
- RTP: 96.51%
- Volatility: High
- Special Features: Tumble Feature, Spin Features
- Bonus Rounds: Gold Fever
- How to Trigger Bonus Round: Collect 114 winning symbols
The Gems Bonanza slot, as you can tell from its name, is all about dazzling, colourful gems. It also draws inspiration from the Aztecs. The action takes place in a stone temple that’s beautifully designed with lots of detail.
On the right, streams of molten lava pour from a stone deity. Below this there’s an intricate Aztec statue with five coloured orbs representing the slot’s base game enhancers. The slot’s graphics are of high quality overall.
More About Online Slots
Full Rules & Information About the Gems Bonanza Online Slot
Gems Bonanza has an 8×8 grid and uses the cluster pays system. You win by landing five or more identical symbols in a cluster; to count, these symbols need to be touching horizontally or vertically.
Gems Bonanza Factsheet
| Reels | 8 |
| Rows | 8 |
| Paylines | Cluster Pays |
| Multipliers | Yes |
| Gamble Feature | No |
| Free Spins | No |
| Bonus Games | Yes |
| Jackpot | No |
| Min Bet | £0.20 |
| Max Bet | £5 |
The more instances of the same symbol there are in a winning cluster, the bigger the payout. Each of the regular paying symbols has nine different payouts it can give, depending on the size of the winning clusters.
If you win, a tumble takes place. All winning symbols disappear and symbols fall from above to fill the empty spaces. If this creates any new wins, another tumble happens. When there are no new wins, the tumble sequence ends.
Gems Bonanza Symbols & Payouts
The seven standard symbols are gems of different shapes and colours. Each of these pays for clusters of 5, 6, 7, 8, 9-11, 12-14, 15-19, 20-24 and 25+. The most rewarding is the red gem.
Form a cluster of 25 or more red gems and you’ll be paid 10,000x your bet. The wild, which can only appear through two of the base game enhancers, can act as any standard symbol to help you win.
- All symbols: 8
- Highest-Paying Symbol: Red Gem
- Wilds: Yes, regular
- Paylines Pay: Clusters of five or more matching symbols
- Maximum Win: 10,000x
Gems Bonanza Bonuses & Features
On every spin, random positions are marked with one of five colours. Each colour represents an enhancer. The five enhancers include symbol removal, symbols being turned wild, blocks of matching symbols and extra wilds being added.
Collect 114 or more winning symbols during a tumble sequence to trigger the Gold Fever bonus round. This takes place after tumbles have finished. It has all five enhancers play out, one at a time.
There’s also a multiplier that applies to your winnings. The more winning symbols you collect during tumbles, the higher your level (there are five in total) and the higher your win multiplier. The biggest possible multiplier is 10x.
Similar Games & Best Alternatives
There’s no shortage of similar slots you can play online. Bonanza from Big Time Gaming, Perfect Gems from Play’n GO and Gonzo’s Quest from NetEnt are great ones to start with. Yuctan’s Mystery from Red Tiger is also worth playing.
Pragmatic Play has released hundreds of other online slots. Some you might be interested in are Aztec Bonanza, Aztec Gems Megaways, Ancient Island Megaways, Jewel Rush and Gemstone. Give these a try and see how they compare to Gems Bonanza.
See Which Spin Feature You Trigger First
If you like the sound of the Gems Bonanza slot, be sure to give it a spin at one of our recommended Pragmatic Play casinos. With tumbles, five enhancers and a bonus round, there are plenty of reasons to play.
Gems Bonanza is a whole lot of fun, especially since you never know what enhancers might trigger on each spin. When you’re done playing the slot, check out some of Pragmatic Play’s many other releases.
