Our review of Giant Gems cuts through the marketing and looks at what matters: how it plays and how it pays. FatCat are the software studio behind it, tuning the game for a medium low volatility profile, with a return-to-player rate of 95.86%. It's given an engaging visual treatment and plays out on a 5-reel grid running 30 paylines. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. So does it deliver? Let's get into it.
Written by Michael Torres · Last updated: March 2026
This release, Giant Gems, is the work of FatCat, wrapped in polished, characterful visuals and powered by 30 paylines across 5 reels. The result is medium low volatility paired with a published RTP of 95.86%.
Where Giant Gems 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. All told, it's a solid entry in the FatCat catalogue.
At 95.86%, 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.
Giant Gems 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
Giant Gems by FatCat is a solid offering that delivers good entertainment value. The 95.86% RTP combined with medium low volatility creates a well-balanced gaming experience.