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Features 
Book of Monsters by Pragmatic Play is a fantasy-themed video slot built around a 7x7 grid and block-paying mechanics rather than fixed paylines. Symbols are paid in connected clusters of at least five, with monster icons and card symbols filling the board. The game is set against a cartoon horror backdrop with a magical book motif, stone framing, and bright, saturated colours.
The demo version lets players play for free and practice before playing for real money. Visible features include a Bonus symbol, a Free Spins round triggered by 4, 5, 6, or 7 BONUS symbols, and a FAT symbol mechanic that can be gambled before the free spins begin. The rules screen also shows options to increase the number of free spins up to a limit.
Book of Monsters has a high volatility profile and an RTP of 95.5%. The bet range shown is 0.2 to 480, and the interface includes autoplay, bet adjustment controls, and win screens such as MEGA. The presentation focuses on feature-based play, with the demo version designed to show how the bonus systems work in practice.
