Before you load Mr. Bells 40 for real, spend a couple of minutes on how it genuinely performs. Developed by Endorphina, Mr. Bells 40 arrives with a medium low-variance maths model and a return-to-player rate of 96.04%. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. Visually it's built around a fruit theme, with the action running on 5 reels and 25 paylines. Here's how it stacks up.
Written by Rachel Kim · Last updated: February 2026
Mr. Bells 40 comes to us from Endorphina, built around a fruit theme. It runs on a 5-reel grid running 25 paylines with a medium low-variance maths model, and a published RTP of 96.04%.
Dig into the bonuses and Mr. Bells 40 starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. Overall it's a well-rounded title that knows what it is.
The RTP of 96.04% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Mr. Bells 40 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
Mr. Bells 40 by Endorphina is a solid offering that delivers good entertainment value. The 96.04% RTP combined with medium low volatility creates a well-balanced gaming experience.