Bolly Games
Extreme Keno
The exact return-to-player for Extreme Keno, computed from the provably-fair outcome table Stake Engine publishes for the game — 4 modes in total. The best bonus buy returns 96.68%, higher than the 96.38% base game (+0.30pp).
| Mode | Type | Exact RTP | House edge | Outcomes |
|---|---|---|---|---|
| choose 3 | Base / feature | 96.38% | 3.62% | 100,000 |
| choose 4 | Base / feature | 96.49% | 3.51% | 100,000 |
| choose 5 | Base / feature | 96.19% | 3.81% | 100,000 |
| bonus buy | Bonus buy | 96.68% | 3.32% | 100,000 |
Verified 2026-07-13from fair.stake-engine.com. Each figure is Σ(weight × payout) ÷ Σweight over the game's full published outcome table — the exact math the RNG runs, not a marketing RTP.