Thinking about giving Mystery Rainbow a spin? We tested it thoroughly so you know what to expect. Developed by Playnetic, Mystery Rainbow arrives with a medium low volatility profile and 96% RTP. Visually it's built around an irish theme, with the action running on 30 paylines across 5 reels. If everything lines up, Mystery Rainbow can pay up to 5,000x your bet. It first went live in 2024 and still earns its place today. The full verdict is below.
Written by Michael Torres · Last updated: January 2026
This slot, Mystery Rainbow, is the work of Playnetic, leaning into an irish aesthetic and powered by a 5-reel grid running 30 paylines. The result is medium low variance paired with an RTP of 96%.
Where Mystery Rainbow earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Thanks to its medium low variance, wins come often enough to suit casual, lower-risk play. Overall it's a well-rounded slot that knows what it is.
The RTP of 96% 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.
Mystery Rainbow 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 Rainbow by Playnetic is a solid offering that delivers good entertainment value. The 96% RTP combined with medium low volatility creates a well-balanced gaming experience.