gems bonanzaGems Bonanza is an 8-reel slot game from Pragmatic Play featuring 64 symbols at one time. The historical Aztec theme ups the ante and provides a fun and often frantic gaming experience, with so many chances to win. The vast 8x8 gridPlay Gems Bonanza® for free and explore the lost treasure of colorful gems. Trger spin modifiers, win multipliers and enjoy the Nuclear and Lucky Wild features in this 96.51% RTP slot.