Book of the Damned — RTP, volatility and max win

Book of the Damned from Rival Gaming is a book slot with 10 paylines set between heaven and hell, with angels, skulls and magic. The book mechanic with wilds and scatters takes centre stage, and expanding reels temporarily enlarge the playing field.

The theme mixes hell, heaven, horror and magic. The setup is 5×3 with 10 paylines. Stakes range from €0.10 to €12.50, and the release date is October 10, 2025.

Because Book of the Damned appears in multiple RTP versions, it helps to know why the RTP can differ per version: a casino might run a lower setting, and the game’s information panel shows the actual version.

Book of the Damned: RTP 96.11%. Background: how RTP works on a slot.

Because the RTP of Book of the Damned sits above the middle of the collection, inferno slots ranked by RTP shows which inferno titles return more and which return less.

Volatility: high. Background: what slot volatility means. Max win: 10,000× the stake. Background: what max win means on a slot.

With a max win of 10,000×, Book of the Damned sits in the upper part of the inferno collection.

The book mechanic combines wild and scatter in one book symbol: it completes winning lines and triggers the bonus round. Expanding reels temporarily enlarge the grid and open extra win routes. With the bonus buy you pay a fixed price to go straight to the bonus round, without waiting for the scatters. The gamble option lets you stake a win on all-or-nothing for a possible double.

Since Book of the Damned offers a purchase option for its feature, inferno slots with bonus buy shows how this mechanic operates in inferno titles and lists comparable games using it, so you can assess pacing and trigger control side by side.

If you like Book of the Damned, these slots also have an RTP at almost the same level and a high-volatility profile:

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