Book of Monsters is a 7×7 slot with Cluster Pays 5+, at an RTP of 96.50%, and a maximum win of 5000x stake.

Connect blocks of 5+ matching symbols to win prizes in the base game, where symbols of 3×3, 4×4, 5×5, 6×6, and 7×7 can randomly hit on any spin

Land 4-7 bonus symbols to trigger the feature with 5-8 free spins where a random symbol is chosen as the Fat symbol Players can gamble for more free spins (up to 8) or a higher-paying Fat symbol before the round begins