A theme that turns up across nearly every studio, gem slots are built around sparkling jewels and precious stones. Our index currently tracks 103 gem slots from a range of studios, with an average RTP of around 95.48%. Below you will find what defines the genre and the top titles ranked by RTP.
Why gem slots are popular
The gem theme gives studios a strong visual identity and a natural hook for bonus features. It appeals to players who enjoy a clear sense of place and story while they spin.
Best gem slots by RTP
The table lists the highest-RTP gem slots we track, with the studio behind each title.
| Game | Studio | RTP | Volatility |
|---|---|---|---|
| Royal Riches Roulette | OneTouch | 97.94% | – |
| Curse of Echnaton | Popiplay | 97.16% | High |
| Mammoth Chase | Kalamba Games | 96.94% | High |
| Gem Saviour Conquest | PGSoft | 96.92% | High |
| 7th Heaven | Betsoft | 96.92% | Medium |
| Gem Saviour | PGSoft | 96.82% | Medium |
| Garuda Gems | PGSoft | 96.77% | Medium |
| Skylight Wonders | PGSoft | 96.74% | Medium |
| Jewels of Jupiter | Kalamba Games | 96.73% | – |
| TNT Bonanza | Booming Games | 96.7% | Medium |
Common features
Typical mechanics range from simple free-spins rounds to collect features, wild reels and jackpots. Volatility varies widely, so check each game’s profile before you play.
Frequently asked questions
How many gem slots are there?
Our index currently lists 103 gem slots.
What is the highest-RTP gem slot?
Among the titles we track, Royal Riches Roulette leads with an RTP of 97.94%.
