40 Power Joker
Developed by AvatarUX, this magical joker-themed slot awards payouts across forty active lines. The primary gameplay revolves around wild symbols on the middle reels, which grow to cover their full column during winning combinations. Participants can trigger a special jackpot round where selecting spheres reveals matching icons for four prize levels. This bonus includes an upgrade mechanic that boosts the awarded prize to the next highest tier.

Highest published RTP / 40 Power Joker
96.73%
Scale starts at 89% · casino picks the version
Figures: AvatarUX game page, checked October 6, 2026; each value is linked to its page in the game facts table. Artwork © AvatarUX; image file from the Slots-Info slot database, not supplied by the studio.
3
RTP versions published by the studio
90.16%
Lowest published RTP
Game facts
| Metric | Value |
|---|---|
| Studio | AvatarUX1 |
| RTP versions | 96.73% / 94.41% / 90.16%1 |
| Volatility | Medium1 |
| Max win | Not published |
| Bet range | Not published |
| Layout | 40 paylines1 |
| Features | Expanding Wilds, Scatters, Jackpot Mini-Game, Double-Up Gamble1 |
| Bonus buy | Not published |
| Release date | Not published by the studio |
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
AvatarUX publishes 3 RTP settings for 40 Power Joker and each casino chooses one. Over very long play, the 96.73% version returns $96.73 per $100 staked; the 90.16% version returns $90.16. 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 |
|---|---|---|---|
| 96.73% (highest) | 3.27% | $96.73 | — |
| 94.41% | 5.59% | $94.41 | −2.32 pts |
| 90.16% | 9.84% | $90.16 | −6.57 pts |
House edge = 100% minus RTP. RTP is a long-run average across all players, not a prediction for a session.
Features
- Expanding Wilds
- Scatters
- Jackpot Mini-Game
- Double-Up Gamble
Medium 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.



