Our review of Extra Gems cuts through the marketing and looks at what matters: how it plays and how it pays. This is a Platipus game, sitting firmly in the very high variance bracket and paying back an RTP of 96.5%. If everything lines up, Extra Gems can pay up to 500,000x your bet. Visually it's built around a gem theme, with the action running on 6 reels and a familiar payline structure. Wins land at roughly a 30% hit rate, shaping how the sessions feel. Here's how it stacks up.
Written by Sophie Williams · Last updated: February 2026
Extra Gems comes to us from Platipus, dressed up with a gem theme and powered by 6 reels and a familiar payline structure. The result is a very high-variance maths model paired with a published RTP of 96.5%.
Dig into the bonuses and Extra Gems 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. Overall it's a well-rounded title that knows what it is.
With an RTP of 96.5%, this slot sits above the industry average of ~96%. Players can expect a solid return over extended play sessions, making it a good choice for value-conscious players.
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.
Extra 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
Extra Gems by Platipus is a solid offering that delivers good entertainment value. The 96.5% RTP combined with very high volatility creates a well-balanced gaming experience.