Curious what Rainbow Rush actually feels like to play? Here's our full, no-fluff take. Slotmill are the studio behind it, tuning the title for medium low variance, with a published RTP of 96.09%. It first went live in 2026 and still earns its place today. You get 15 paylines across 5 reels, all dressed up with a leprechaun theme. If everything lines up, Rainbow Rush can pay up to 5,000x your bet. But is it actually worth playing? Read on.
Written by Sarah Mitchell · Last updated: February 2026
Rainbow Rush is a game from Slotmill, leaning into a leprechaun aesthetic. It runs on 5 reels and 15 paylines with a medium low volatility profile, and an RTP of 96.09%.
Dig into the bonuses and Rainbow Rush starts to stand out. 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. All told, it's a solid entry in the Slotmill 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.
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.
Rainbow Rush 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
Rainbow Rush by Slotmill is a solid offering that delivers good entertainment value. The 96.09% RTP combined with medium low volatility creates a well-balanced gaming experience.