Before you load Rainbow for real, spend a couple of minutes on how it genuinely performs. Developed by WorldMatch, Rainbow arrives with a very high-variance maths model and a return-to-player rate of 94.75%. You get 20 paylines across 5 reels, all built with crisp artwork and atmosphere. If everything lines up, Rainbow can pay up to 75,000x your bet. Dating back to 2024, it remains a regular pick. The full verdict is below.
Written by Daniel Chen · Last updated: February 2026
At its core, Rainbow is a release produced by WorldMatch, built with crisp artwork and atmosphere and powered by 20 paylines across 5 reels. The result is very high variance paired with a published RTP of 94.75%.
Dig into the bonuses and Rainbow starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The very high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Rainbow is a dependable option worth a few spins in the demo first.
The RTP of 94.75% is below the industry average of ~96%. This is common for older slots or those with special features. The lower RTP may be offset by unique mechanics or higher maximum win potential.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
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
Rainbow by WorldMatch is a solid offering that delivers good entertainment value. The 94.75% RTP combined with very high volatility creates a well-balanced gaming experience.