About Book of Monsters
Book of Monsters is a very-high-volatility 7×7 slot from Pragmatic Play, released March 27, 2025. Its published RTP is 96.50% and the maximum win is 5,000× your stake.
The RTP reality
Book of Monsters's published RTP is 96.50%. RTP is configurable, so the same slot can pay back differently from one casino to the next. The only figure that reflects your game is the one in the slot's own info ("i") panel at the casino you're using.
FAQ
What is the RTP of Book of Monsters?
Book of Monsters's published RTP is 96.50%. The figure can vary by casino, so check the in-game info panel for the version your site runs.
What is the max win on Book of Monsters?
The maximum win is 5,000× your stake — a rare ceiling, not an expectation.
Can I play Book of Monsters in Ontario?
Book of Monsters is a Pragmatic Play title available at casinos registered with the AGCO and iGaming Ontario. Only play it on a registered site — see the list below.
Does Book of Monsters have a bonus buy?
Yes, where permitted you can buy into the feature. It raises cost and variance and doesn't change the long-run RTP in your favour.
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Specs sourced from the provider via slot.report; figures are theoretical/default — your casino's in-game info panel is authoritative. 19+ · play within your limits · ConnexOntario 1-866-531-2600.