Gems Bonanza is a dazzling 8x8 grid slot from Pragmatic Play, featuring a cluster pays mechanic where wins are formed by landing five or more matching symbols in a cluster. Winning symbols explode and new ones tumble down, creating potential for consecutive wins. Colored marked spots on the reels activate unique spin modifiers like Nuclear, Wild Gems, Squares, Colossal Symbols, and Lucky Wilds. Filling the Gold Fever Meter triggers a multi-level bonus round where all modifiers are applied with increasing multipliers, leading to immense treasure hunting potential in this highly volatile game.