Our review of Mermaids cuts through the marketing and looks at what matters: how it plays and how it pays. Developed by NetEnt, Mermaids arrives with low variance and a return-to-player rate of 96.09%. Visually it's dressed up with a mermaid and fantasy theme, with the action running on a 5-reel grid running 30 paylines. Top wins are capped at 1,974x your stake, a respectable ceiling for the format. Expect a hit frequency around 30.03%, which sets the rhythm of play. But is it actually worth playing? Read on.
Written by Daniel Chen · Last updated: February 2026
This game, Mermaids, is the work of NetEnt, themed around mermaid and fantasy and powered by 30 paylines across 5 reels. The result is low variance paired with a return-to-player rate of 96.09%.
Where Mermaids earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Thanks to its low variance, wins come often enough to suit casual, lower-risk play. All told, it's a solid entry in the NetEnt catalogue.
The RTP of 96.09% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
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.
Mermaids 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
Mermaids by NetEnt is a solid offering that delivers good entertainment value. The 96.09% RTP combined with low volatility creates a well-balanced gaming experience.