- Min deposit
- €10
- Measured payout
- 7 min 36 s
- Licence
- No gambling licence (Costa Rica company)
Rio Gems slot: free demo, RTP and max win
A slot by 3 Oaks Gaming
Rio Gems is a 3 Oaks slot on a 5x3 layout with 25 paylines, released in December 2022. It runs at a 95.69% RTP with high volatility. Its max win is capped at 10,000x…
3 Oaks Gaming distributes online slot games and promotional tools. Its portfolio includes titles such as Sun of Egypt, Aztec Pyramid Megaways, Big Heist, and Fishin' Bear, which incorporate mechanics like Hold and Win and Megaways features.
Player reviews of Rio Gems
Review Rio Gems
+20points once publishedApproved submissions only. A rejected one earns nothing.
Where to play Rio Gems in November 2026
- Min deposit
- $20
- Measured payout
- 7 min 25 s
- Licence
- Curaçao eGaming
- Min deposit
- $10
- Measured payout
- 6 min 46 s
- Licence
- Anjouan Gaming
Rio Gems is a 3 Oaks slot on a 5×3 layout with 25 paylines, released in December 2022. It runs at a 95.69% RTP with high volatility. Its max win is capped at 10,000x the stake.

