Big Atlantis Frenzy
Big Atlantis Frenzy is an underwater-themed slot by BGaming where players explore the legendary lost city. The game allows players to select their preferred grid size, offering a choice between 5x3, 5x4, or 5x5 layouts with up to 20 paylines. The main bonus is a free spins round triggered by Bonus symbols, where special Fish symbols award random cash values when collected by a Wild symbol. Gathering multiple Wilds awards extra free spins and multipliers up to 10x.

RTP published by the studio / Big Atlantis Frenzy
96.77%
Scale starts at 95% · other versions not published
Figures: BGaming game page, checked October 5, 2026; each value is linked to its page in the game facts table. Artwork © BGaming; image file from the Slots-Info slot database, not supplied by the studio.
5,000×
Max win, × stake
1
RTP version published · others not published
Yes
Bonus buy
Game facts
| Metric | Value |
|---|---|
| Studio | BGaming1 |
| RTP versions | 96.77%1 |
| Other RTP versions | Not published by the studio |
| Volatility | Medium-high1 |
| Max win | 5,000× stake1 |
| Bet range | Not published by the studio |
| Layout | 5x3, 5x4, or 5x5 · 20 lines1 |
| Features | Reel size, Fish symbols, Free spins, Wild symbol, Buy Bonus, Chance x31 |
| Bonus buy | Yes1 |
| Release date | June 9, 20221 |
Numbers link each value to the page it comes from. “Not published” means the studio does not state it; we add it when it does and never estimate a spec. Figures from casino sites are not used.
RTP versions
BGaming publishes one RTP setting for Big Atlantis Frenzy: 96.77%. Other RTP versions are not published by the studio. Check the game’s help or paytable screen at your casino to see which version it runs.
| RTP version | House edge | Return per $100, long run | vs highest |
|---|---|---|---|
| 96.77% (highest) | 3.23% | $96.77 | — |
House edge = 100% minus RTP. RTP is a long-run average across all players, not a prediction for a session.
Features
- Reel size
- Fish symbols
- Free spins
- Wild symbol
- Buy Bonus
- Chance x3
Medium-high volatility Volatility is set by the studio and is the same at every casino — unlike RTP.
Where it’s available
Not confirmed. Availability in regulated North American markets is not confirmed yet.
Regulated markets only; availability varies by casino.



