Curious what Bison Bonus actually feels like to play? Here's our full, no-fluff take. Genii are the team behind it, tuning the slot for low variance, with a published RTP of 95.51%. Visually it's wrapped in an animal theme, with the action running on 5 reels and 30 paylines. The maximum win sits at 4,150x, keeping expectations grounded but fair. Originally released in 2024, it has aged well. The full verdict is below.
Written by Rachel Kim · Last updated: February 2026
Bison Bonus comes to us from Genii. Presentation-wise it's wrapped in an animal theme, and it leans toward a low-variance maths model at 95.51% RTP. Under the hood you'll find 5 reels and 30 paylines.
Where Bison Bonus earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. All told, it's a solid entry in the Genii catalogue.
At 95.51%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Low volatility means frequent small wins with less risk. This slot is ideal for players who prefer steady, consistent payouts and longer play sessions without dramatic bankroll swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Bison Bonus features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
Bison Bonus by Genii is a solid offering that delivers good entertainment value. The 95.51% RTP combined with low volatility creates a well-balanced gaming experience.