Thinking about giving Mad Scientist a spin? We tested it thoroughly so you know what to expect. This is a Boldplay slot game, sitting firmly in the medium low volatility bracket and paying back a published RTP of 95.25%. Visually it's given an engaging visual treatment, with the action running on a 5-reel grid running 15 paylines. Originally released in 2022, it has aged well. The maximum win sits at 5,000x, so there's serious upside on the table. Here's how it stacks up.
Written by Sarah Mitchell · Last updated: February 2026
Mad Scientist comes to us from Boldplay, built with crisp artwork and atmosphere and powered by 5 reels and 15 paylines. The result is a medium low-variance maths model paired with a published RTP of 95.25%.
Where Mad Scientist earns its keep is the feature set. 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 game that knows what it is.
At 95.25%, 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.
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.
Mad Scientist 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
Mad Scientist by Boldplay is a solid offering that delivers good entertainment value. The 95.25% RTP combined with medium low volatility creates a well-balanced gaming experience.