Developer Gemstone Mine® by StakeLogic is a video slot built around an expanding grid in an underground mine, where crystals collect as the reels fill. The game uses cluster pays rather than fixed paylines, with six reels, high volatility and an RTP of 95.98%.
The feature set includes a base game, free spins, a multiplier symbol and a bonus buy option. Players can also encounter Super Wheel® Trigger, Super Wheel® and Spin to Win®, which are designed to add extra prize opportunities during the session.
This page offers the demo version so visitors can play for free and practice before playing for real money. The slot advertises a maximum multiplier of x7,500 and a top win of €495,000, making the bonus mechanics and grid expansion central to the game experience.
