Curious what Mermaid's Pearls actually feels like to play? Here's our full, no-fluff take. Built by RTG, it lands as a game with high variance and a return-to-player rate of 96.46%. If everything lines up, Mermaid's Pearls can pay up to 125,000x your bet. You get a 5-reel grid running 20 paylines, all themed around ocean and mermaid. It first went live in 2019 and still earns its place today. The full verdict is below.
Written by Alex Crawford · Last updated: January 2026
This slot, Mermaid's Pearls, is the work of RTG, leaning into an ocean and mermaid aesthetic and powered by a 5-reel grid running 20 paylines. The result is a high volatility profile paired with a published RTP of 96.46%.
The mechanics are what make Mermaid's Pearls interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The high volatility means patience is rewarded — expect quiet spells broken by bigger hits. All told, it's a solid entry in the RTG catalogue.
The RTP of 96.46% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Mermaid's Pearls 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
Mermaid's Pearls by RTG is a solid offering that delivers good entertainment value. The 96.46% RTP combined with high volatility creates a well-balanced gaming experience.