Welcome to our deep dive on Dumb Fish — the demo, the maths, and whether it earns a spot in your rotation. Built by Casimi Gaming, it lands as a game with a medium low volatility profile and an RTP of 96.01%. Expect a hit frequency around 30%, which sets the rhythm of play. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. It's leaning into a fish aesthetic and plays out on 5 reels and 20 paylines. The full verdict is below.
Written by Rachel Kim · Last updated: February 2026
Dumb Fish is a game from Casimi Gaming. Presentation-wise it's themed around fish, and it leans toward medium low volatility at a return-to-player rate of 96.01%. Under the hood you'll find a 5-reel grid running 20 paylines.
The mechanics are what make Dumb Fish 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. All told, it's a solid entry in the Casimi Gaming catalogue.
The RTP of 96.01% 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.
Dumb Fish 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
Dumb Fish by Casimi Gaming is a solid offering that delivers good entertainment value. The 96.01% RTP combined with medium low volatility creates a well-balanced gaming experience.