If you're trying to work out whether Whodunit is worth your time, this hands-on review breaks it down. Genii are the provider behind it, tuning the slot for a medium low-variance maths model, with a published RTP of 95.71%. It's given an engaging visual treatment and plays out on a 5-reel grid running 15 paylines. If everything lines up, Whodunit can pay up to 4,335x your bet. It first went live in 2018 and still earns its place today. Let's break down what works and what doesn't.
Written by Daniel Chen · Last updated: January 2026
At its core, Whodunit is a release produced by Genii. Presentation-wise it's wrapped in polished, characterful visuals, and it leans toward a medium low volatility profile at 95.71% RTP. Under the hood you'll find 15 paylines across 5 reels.
The mechanics are what make Whodunit interesting. 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 release that knows what it is.
At 95.71%, 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.
Whodunit 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
Whodunit by Genii is a solid offering that delivers good entertainment value. The 95.71% RTP combined with medium low volatility creates a well-balanced gaming experience.