Book of Monsters

9.0/10

Release January 2024· Updated June 2026

Book of Monsters Horror (2024). BetsRank score: 9.0/10.

RTP

96.5%

Volatility

Very High

Max Win

10 000x

Grid

5×3

Bonus Buy

Yes

Book of expandingMonster themeMultipliers FSAchat bonus 100x

🎰

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9.0

BetsRank Verdict

Hands-on testing by Alexandre Dubois — bonus tested, multiple sessions

Released in 2024, Book of Monsters is Pragmatic Play's horror-themed take on the Book format. RTP 96.5%, max win 10,000x.

Strengths

+Classic Book of expanding mechanic
+Spooky monster theme
+10,000x max win
+100x bonus buy available

To consider

−Very high volatility

About Book of Monsters

Released in 2024, Book of Monsters is a Pragmatic Play Book slot set in a horror monster universe. Format 5×3 / 10 paylines, RTP 96.5%, max 10,000×, very high volatility.

The visual world is horror-themed: monsters, a grimoire, and a dark palette of purple, black and red. Mechanics: expanding Book symbol, cumulative Free Spins multipliers, and a 100× bonus buy (banned in the UK).

Available at top-rated crypto casinos on the BetsRank list. See also Book of Tut Megaways, Book of Vikings, Book of the Fallen, Book of Kingdoms, and Book of Golden Sands.