Gems Bonanza
Certified by the HGC (HGC-002704-TM)
Data source: iGaming Tools (27 July 2026)
Free play · rotates to fullscreen
Demos are only available to people aged 21 and over.
Demo provided by the game studio via iGaming Tools. Free play only, no real money.
How it playsHow Gems Bonanza plays
This page is compiled from the provider’s published data and the HGC register. It is not a review: we have not tested Gems Bonanza yet, so it has no score.
Gems Bonanza is a Pragmatic Play slot with 8 reels and 8 rows, paying for clusters instead of lines. It is themed around the Aztecs.
It is certified by the HGC for online play in Greece, certificate HGC-002704-TM; last updated in the register on 15 November 2023.
Gems Bonanza combines cascades, cluster pays and bonus buy. 1 other slot of the 593 with data in our catalogue has exactly the same combination.
RTP 96.55%: what it means
The RTP (return to player) of Gems Bonanza is 96.55%. Over a very large number of spins the game theoretically pays back €96.55 for every €100 staked; the remaining €3.45 (3.45%) is the house edge. It is not a forecast for one session: over a few spins everything is chance, and over time the edge stays with the casino.
That is above the median RTP (96.5%) of the 593 slots with data in our catalogue — higher than 86% of them. Across the 507 Pragmatic Play slots we track, the median RTP is 96.5%. Note: 96.55% is the standard version of Gems Bonanza. If a casino runs another version, its RTP is shown in the game’s info screen.
Volatility: high
The provider rates the volatility of Gems Bonanza as “high”. Wins are rarer and concentrated in the bonus rounds. Long losing stretches are expected, so a balance can run out quickly.
Of the other 506 Pragmatic Play slots in our catalogue, 434 share this level with Gems Bonanza.
Bet range
We do not have an official bet range for Gems Bonanza yet. Before playing, check the minimum and maximum stake in the game’s info screen.
Bonus features
Cascades
After a win the winning symbols are removed and new ones drop into place, so one paid spin can produce several wins in a row. In Gems Bonanza it comes together with cluster pays and bonus buy. Found in 169 of the 593 slots with data in our catalogue and in 148 of Pragmatic Play’s 507.
Cluster pays
Groups of matching symbols that touch each other win, instead of symbols on paylines. In Gems Bonanza it comes together with cascades and bonus buy. Found in 66 of the 593 slots with data in our catalogue and in 53 of Pragmatic Play’s 507.
Bonus buy
Lets you buy the bonus round directly, at a cost of many times your stake — often tens or hundreds of times. It raises the amount you play very quickly; whether it is offered depends on the casino. In Gems Bonanza it comes together with cascades and cluster pays. Found in 450 of the 593 slots with data in our catalogue and in 394 of Pragmatic Play’s 507.
Frequently asked questions
What is the RTP of Gems Bonanza?
The RTP of Gems Bonanza is 96.55%, according to the provider (Pragmatic Play). That is a house edge of 3.45% over the long run; a single session can differ a lot.
Is Gems Bonanza certified in Greece?
Yes. The HGC has certified Gems Bonanza for online play, certificate HGC-002704-TM (last updated in the register on 15 November 2023). You can check it with the “Is this slot certified in Greece?” search on frut.gr or in the HGC’s public register.
How volatile is Gems Bonanza?
“High”, according to the provider. Wins are rarer and concentrated in the bonus rounds.
What bonus features does Gems Bonanza have?
According to the provider: cascades, cluster pays and bonus buy.
Can I play Gems Bonanza for free?
Yes, in the demo on this page, with play money and only after confirming you are 21+.
Similar slots
Gems Bonanza compared
The most closely related slots in our catalogue, by provider, volatility, theme and features:
| Slot | RTP | Volatility | Max win | Grid |
|---|---|---|---|---|
| Gems Bonanza | 96.55% | high | — | 8×8 |
| Aztec Smash | 96.52% | high | 9,000× | 7×7 |
| Anaconda Gold | 96.54% | high | 10,000× | — |
| Ancient Island Megaways | 96.55% | high | 10,000× | — |
Compared with Aztec Smash (Pragmatic Play), Gems Bonanza has an RTP 0.03 points higher and the same volatility. Both have cascades, cluster pays and bonus buy. Only Aztec Smash has free spins and multipliers.
Compared with Anaconda Gold (Pragmatic Play), Gems Bonanza has an RTP 0.01 points higher and the same volatility. Both have cascades and bonus buy. Only Anaconda Gold has free spins and expanding wilds. Only Gems Bonanza has cluster pays.
Compared with Ancient Island Megaways (Pragmatic Play), Gems Bonanza has the same RTP and the same volatility. Both have cascades and bonus buy. Only Ancient Island Megaways has free spins, multipliers, Megaways and expanding wilds. Only Gems Bonanza has cluster pays.