Gems Bonanza RTP: 96.6% — but check your casino's version
Gems Bonanza by Pragmatic Play (2020) — 8x8 cluster cascades with Gold Fever bonus. Published in multiple RTP builds (94.5%–96.6%): the casino picks the hold, and the reduced build costs about $13/hour more at $1 spins.
Figures from provider game sheets & aggregators, July 2026.
What each published build costs
Same game, different math. Long‑run cost at $1 spins, ~600 spins/hour.
| RTP build | House edge | Cost / 1,000 spins | Cost / hour |
|---|---|---|---|
| 96.6% (best) | 3.4% | $34 | $20 |
| 95.5% | 4.5% | $45 | $27 |
| 94.5% | 5.5% | $55 | $33 |
To find out which build your casino runs, open the game there and hit the info/paytable button (ⓘ) — regulated casinos must show the RTP. If it's below 96.6%, you're playing the reduced version of the exact same game.
What a session costs on this game
Preset to the best build — drop the payback to your casino's version to see the difference.
More from Pragmatic Play
- Gates of Olympus — 96.5% best build
- Sweet Bonanza — 96.5% best build
- Sugar Rush — 96.5% best build
- Big Bass Bonanza — 96.7% best build
- The Dog House — 96.5% best build
Frequently asked questions
What is the RTP of Gems Bonanza?
Gems Bonanza is published in multiple builds: the best pays 96.6% and the lowest 94.5%. Which you get depends on the casino — check the in-game info screen.
How volatile is Gems Bonanza?
Gems Bonanza is a high-volatility slot with a max win of 10,000× your bet. Higher volatility means longer dry spells and bigger (rarer) hits at the same RTP.
What does the reduced version of Gems Bonanza cost me?
At $1 spins (~600/hour), the 94.5% build costs about $13 more per hour than the 96.6% build — same game, worse math.
RTP figures are the studio's published values (best build unless noted) — a dated snapshot; the in‑game info screen at your casino is the final word. All slots are negative expected value. 21+ where applicable; online casino play is legal only in some states. Informational only, not gambling advice. Gambling problem? Call 1‑800‑GAMBLER.