RTP 96%, volatility not disclosed, layout 5 reels. Gem Blast focuses on Expanding Wilds, Gamble, Respins, built on a grid with 10 paylines.

Endorphina's Gem Blast combines Wild Symbol mechanics with Expanding Wilds that extend coverage during feature events. Expanding Wilds can increase symbol area on the reels when triggered, potentially improving payout opportunities. Respins are included, potentially renewing spins after certain triggers, while the Gamble element provides a risk-based choice on outcomes. The bet range runs from USD 0.01 to USD 100, and the top win is x77. The presentation favors a clear user interface with readily identifiable payout cues.

The jewel theme is reflected in the symbolography and color palette. Mechanically, the game relies on Expanding Wilds, Respins, and a Gamble option, with Wild Symbol presence guiding potential outcomes. Taken together, Gem Blast offers a restrained feature set on a reel-based, jewel-themed slot. The interface emphasizes clarity, with recognizable symbols and clear win indicators. Overall, the design favors methodical play rather than aggressive volume.