Before you load Mystery Stones for real, spend a couple of minutes on how it genuinely performs. Developed by Platipus, Mystery Stones arrives with a low-variance maths model and 96.5% RTP. Originally released in 2024, it has aged well. Top wins are capped at 1,229x your stake, a respectable ceiling for the format. Visually it's finished with a clean, modern look, with the action running on 5 reels and 40 paylines. But is it actually worth playing? Read on.
Written by Alex Crawford · Last updated: February 2026
At its core, Mystery Stones is a game produced by Platipus, given an engaging visual treatment. It runs on 40 paylines across 5 reels with low volatility, and 96.5% RTP.
Dig into the bonuses and Mystery Stones starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. On balance, Mystery Stones is a dependable option worth a few spins in the demo first.
With an RTP of 96.5%, this slot sits above the industry average of ~96%. Players can expect a solid return over extended play sessions, making it a good choice for value-conscious players.
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.
Mystery Stones 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
Mystery Stones by Platipus is a solid offering that delivers good entertainment value. The 96.5% RTP combined with low volatility creates a well-balanced gaming experience.