Thinking about giving Cosmic Jewels a spin? We tested it thoroughly so you know what to expect. This is a High 5 Games title, sitting firmly in the a medium low-variance maths model bracket and paying back a return-to-player rate of 95.93%. The maximum win sits at 5,000x, so there's serious upside on the table. Dating back to 2020, it remains a regular pick. You get 10 paylines across 5 reels, all dressed up with a jewel theme. But is it actually worth playing? Read on.
Written by Sophie Williams · Last updated: February 2026
At its core, Cosmic Jewels is a game produced by High 5 Games, themed around jewel and powered by a 5-reel grid running 10 paylines. The result is medium low variance paired with an RTP of 95.93%.
Dig into the bonuses and Cosmic Jewels starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. Overall it's a well-rounded game that knows what it is.
At 95.93%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
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.
Cosmic Jewels 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
Cosmic Jewels by High 5 Games is a solid offering that delivers good entertainment value. The 95.93% RTP combined with medium low volatility creates a well-balanced gaming experience.