About Book of 99
Book of 99 is a high-volatility 5x3 slot from Relax Gaming, released January 1, 2020. Its published RTP is 99.00% and the maximum win is 12,075× your stake.
The RTP reality
Book of 99's published RTP is 99.00%. 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 99?
Book of 99's published RTP is 99.00%. 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 99?
The maximum win is 12,075× your stake — a rare ceiling, not an expectation.
Can I play Book of 99 in Ontario?
Book of 99 is a Relax Gaming title available at casinos registered with the AGCO and iGaming Ontario. Only play it on a registered site — see the list below.
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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.