Before you load Gem Blast for real, spend a couple of minutes on how it genuinely performs. Endorphina are the studio behind it, tuning the game for a high volatility profile, with an RTP of 96.04%. Top wins are capped at 100,000x your stake, a genuinely massive ceiling for the patient. Dating back to 2018, it remains a regular pick. Visually it's finished with a clean, modern look, with the action running on 25 paylines across 5 reels. Here's how it stacks up.
Written by Michael Torres · Last updated: February 2026
Gem Blast is a game from Endorphina, wrapped in polished, characterful visuals and powered by a 5-reel grid running 25 paylines. The result is a high volatility profile paired with 96.04% RTP.
Dig into the bonuses and Gem Blast starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Gem Blast is a dependable option worth a few spins in the demo first.
The RTP of 96.04% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Gem Blast 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
Gem Blast by Endorphina is a solid offering that delivers good entertainment value. The 96.04% RTP combined with high volatility creates a well-balanced gaming experience.