Features
Mechanics & themes
Where to play Book of Monsters
Similar slots live near you
Slots are random. RTP is a theoretical return over millions of spins and says nothing about a single session. Figures come from the provider and independent databases (updated Oct 3, 2026). Check the game's info screen before you play.
Book of Monsters at a glance
Book of Monsters is a Pragmatic Play slot released Mar 17, 2025, played on a 7x7 grid with Cluster Pays. The action comes from colossal symbols, gamble and free spins. Its top prize is 5,000x the stake; 59% of the 1,020 slots we track can pay more. Volatility is high: expect fewer wins with bigger swings.
Pragmatic Play lists 96.50% as the default return to player (RTP) and also builds 95.50% and 94.50% versions that casinos can choose instead. The New Jersey and Michigan casinos we track both run 94.50%, 2.00 points lower: over the long run that's about $2.00 less back for every $100 wagered. That ranks #156 of 376 slots live in New Jersey with a known RTP. RTP is an average over millions of spins; it doesn't predict a single session.
Licensed casinos running it: Caesars (NJ); Caesars (MI).
Book of Monsters FAQ
What is the RTP of Book of Monsters?
Pragmatic Play lists 96.50% as the default RTP; other versions include 96.50%, 95.50%, 94.50%. At New Jersey casinos we track, it shows 94.50%.
What is the max win on Book of Monsters?
The maximum win is 5,000x your stake.
Where can I play Book of Monsters for real money?
New Jersey: Caesars. Michigan: Caesars.