Gems Bonanza
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Casumo
18+ | Play Responsibly | Gambleaware.org | 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. T&Cs apply
Parimatch
18+ | Play Responsibly | Gambleaware.org | 18+ New customers only. Opt in, deposit & wager £10 on selected games within 7 days of sign-up. Get £15 in Bonuses for selected games (10x wagering, max withdrawal £150) + 30 Free Spins for 3 Lucky Hippos. 30 days expiry. T&Cs apply.
Jazzyspins
18+ | Play Responsibly | Gambleaware.org | Players must make a minimum deposit of £10. Bonus or any winnings from the free spins must be wagered 10x before a withdrawal may be made. Bonus funds expire 30 days and free spins expire after in 7 days. Max conversion: 1x the bonus amount or from free spins: £4. Excluded Skrill and Neteller deposits.
Mega Riches
18+ | Play Responsibly | Gambleaware.org | New players only and opt-in required. Min deposit £10. Max bonus £25 and 50 free spins on selected game. Bonus subject to 10x wagering requirement within 60 days. Bonus is paid out in 10% increments of the maximum deposit match amount. This means for every 10% of the total wagering requirement satisfied, 10% of the bonus will be paid out. Max bonus bet £2. Free spins, expire after 7 days, are wager free and paid as cash.
King Casino
18+ | Play Responsibly | Gambleaware.org | New Players Only. Min. deposit £20 required within 72hrs after registration. UK players only. 20 free spins with no wagering requirements, worth £0.10 each. Wager £20 of your first deposit on selected games. Wagering must be completed in 7 days.
BetanoUK
18+ | Play Responsibly | Gambleaware.org | T&Cs: 18+ New customers only. Opt in and wager £10 on selected slots within 3 days of signing up. Get 100 Free Spins on Bigger Bass Splash, which expire in 7 days. T&Cs Apply. Please gamble responsibly.
Spinyoo
18+ | Play Responsibly | Gambleaware.org | New players only. Opt-in required. Min dep £20. Welcome Offer is 1 Yoo Spin for every £1 deposited up to 100 Spins. To claim wager min £20 on selected slots of your 1st deposit by 23:59 GMT. Spins credited in proportion to deposit and valid on Big Bass Bonanza. Winnings from bonus spins credited as bonus funds and capped at an equal number of spins credited. These bonus funds can be used on slots only. Bonus funds are separate to cash funds and subject to 10x wagering requirement. Only bonus funds count towards wagering contribution. £5 max bonus bet. Bonus funds and spins must be used within 72hrs. Affordability checks apply.
DreamJackpot
18+ | Play Responsibly | Gambleaware.org | New UK Players only. Deposit & wager £20 on Big Bass Bonanza for 20 spins. 0x wagering on winnings. Spins need to be used within 24 hours.
Jackpot Mobile Casino
18+ | Play Responsibly | Gambleaware.org | New players only. First deposit only. 100% Bonus Match up to £50. Min deposit £10 required. Credited within 7 days. 10x wagering on the bonus, £50 max conversion. Max one claim per player.
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Gems Bonanza review
- 8 x 8 Grid, full of shining cluster wins to explore!
- Not your average gameplay – a real gem loaded with surprises
- Line up winning combinations horizontally, vertically or in blocks
Pragmatic Play has taken a step in a different direction with Gems Bonanza Slot, and we love it! Get ready to be dazzled with its stunning design and max potential win of up to x10,000 your total stake. You won’t have a dull moment while waiting for the higher winning combinations. Cascading reels, spin modifiers and the potential of getting 10x multipliers will keep you hooked to your screen!

Gems Bonanza Game Overview
| Provider | Pragmatic Play |
| Volatility | high |
| RTP | 96.51% |
| Features |
|
| Paylines | 20 |
| Reels | 8 |
| Min Bet (all lines covered) | £0.20 |
| Max Bet | £100 |
| Max Win | 10,000x |
Play Gems Bonanza Slot from the UK!
If you think it sounds like your kind of slot, check it out at a licensed casino and try and grab a best casino welcome bonus whilst you’re at it!
Gems Bonanza Slot Symbols and Payouts
Gems Bonanza plays out on an 8×8 grid. Combinations can start on any reel or row and can run horizontally, vertically or clustered. The main objective is to get five or more like gemstones landing next to each other, any which way.
Symbols
All eight symbols in Gems Bonanza slot are shiny gemstones in bold colours with different shapes. You won’t find any other card suits or characters on the reels. With 64 symbols on your screen, you have a reasonable chance of creating winning combinations on every spin.
The wild accompanies the gems in the shape of a golden square, with a round emerald in its centre. The red ruby is the most valuable symbol, and the blue sapphire is the lowest.
Paytable
Landing five of any symbol horizontally or vertically starts collecting wins. The amount of characters determines the size of the victory and grouping together 5, 6, 7 or 8 each delivers its multiplier. After that, you win in clusters of 9-11, 12-14, 15-19, 20-24 and 25+.
Below, you can view all the payouts in store if you form any of the wins at a stake of £2.

Gems Bonanza Min / Max Bets
You can stake from £0.20 up to £100 on Gems Bonanza slot, with the option to increase or decrease your stake on each spin in increments of 20p.
Gems Bonanza RTP, volatility & hit frequency
The game is highly volatile and has sizable winning potential. The developer marks it as a 5/5 on its site, which means you’ll wait longer for the big wins, but when you do, you’ll be smiling all the way to the bank. Gems Bonanza’s RTP is a solid 96.51%, leaving a comparatively small house edge of 3.49%.
Gems Bonanza maximum win
The fact that Pragmatic Play didn’t give this game a progressive or fixed jackpot in this game isn’t a big deal because you can land instant wins of up to 10,000x your total stake. With a sizable max betting size it can add up to a pretty big score.
Gems Bonanza Slot Features
The developer loaded the reels with exciting features such as multipliers on every spin, cascading reels and five modifiers that can boost your winnings considerably if you get lucky. Let’s take a look at what’s in store
Wilds and other Base Game Features
The wild symbol in Gems Bonanza can trigger two different modes, each with its unique bonus feature. You’ll find a Gem Wild and Lucky Wild mode that delivers excitement to your play.
Tumble Feature
Gems Bonanza features a tumble mechanism each time you form a win. When the reels form winning clusters, each symbol that’s part of the group is replaced with new symbols, making it possible for new winning combinations to form.
Wilds & Modifiers Feature
You have one wild symbol that has multiple features attached to it. The base game has five potential modifiers that increase your potential for wins and also trigger the free spins bonus feature.
When the cascading reels feature is triggered, the modifiers appear behind the symbols in different glowing colours. Once it comes to an end, the modifiers come into play.
- Each blue mark triggers the nuclear modifier that clears your entire grid and replaces it with new symbols and a unique opportunity to win.
- Each pink spot unleashes the Wild Gem feature where any random gem can take its place on your reels as an extra wild.
- The brown mark triggers a square modifier that creates 2×2 winning blocks randomly on your reels.
- The red dot starts the colossal symbol that makes 3×3, 4×4 or 5×5 winning blocks on your reels.
- The green mark unlocks random lucky wilds where 5 to 15 random wilds activate on the reels.

Gold Fever Progressive Feature
This is a multi-level bonus feature that collects points every time you land a win on the reels. It stores these in the Aztec meter on the right side of your screen.
The Gold Fever bonus feature offers you five levels. Starting from level one, all the modifiers play one at a time in sequential order. A 2x multiplier accompanies it on the first tier, then increases by 2x multipliers with every level you climb. In simple terms, multipliers pay out as follows:
- Level 1 = 2x for collecting 114 winning symbols
- Level 2 = 4x for collecting 116 winning symbols
- Level 3 = 6x for collecting 120 winning symbols
- Level 4 = 8x for collecting 125 winning symbols
- Level 5 = 10x for collecting 132 winning symbols
Gems Bonanza Free Spins
There is no free spins feature in Gems Bonanza, however you will be getting consecutive spins as long as you keep forming winning clusters. With all the exciting features in store during the base game, we didn’t miss not having a free spins round in this game!
Graphics & Sound
Pragmatic Play focuses on a simple, elegant, yet exciting design in Gems Bonanza. Each symbol is bright and colourful. The Aztec background hosts lively and high definition graphics that are pleasing to behold. The soundtrack accompanies the theme well, giving it an immersive Aztec feel.
Other slots to try if you like Gems Bonanza Slot
For a similar theme, you can have a look at Gems Gems Gems Slot from WMS. It’s a super-fast game that plays out over four sets of reels that totals 20 overall. Each real offers 20 paylines which delivers an exciting gameplay experience. Pragmatic Play’s very own Aztec Gems Deluxe is also worth a spin, giving its high payouts and similar theme.
Microgaming offers the Real Gems Slot if you prefer the same theme, but slower. It’s a five-reel and 3-row slot featuring gems and card suits, with 243 ways to win and an RTP of 96.52%. The game boasts an array of bonus features that lands on your reels often.
Gems Bonanza Slot Review – Conclusion
yyyyGems Bonanza Slot from Pragmatic Play has put some shine back into the gemstone collection of slots. You won’t get tired of playing this game, especially once you trigger the tumble and special spin features! Add to this the crisp and stunning graphics, and you’ve got a top-notch high payout slot that may just become a casino favourite!