


Book of Madness ROAR is a medium-volatility online slot from BulBul with an RTP of 96.16%.
Page updated July 2026
Book of Madness ROAR slot is BulBul's addition to the wider Book of Madness family, carrying a name that hints at a bigger, more aggressive feature set layered onto the series' familiar horror foundation. Whatever the ROAR branding specifically refers to in-game, it signals Gamomat's book-slot horror universe expanding into yet another variant for players who've already worked through the earlier entries.
Expect the same unsettling, shadow-heavy visual identity that defines the Book of Madness name, dressed up with whatever extra flourish the ROAR feature brings to proceedings. The underlying structure sticks to the book-slot playbook throughout: card-rank symbols cover the paytable's lower tier, horror-themed icons take the premium spots, and a scatter/wild book symbol remains responsible for triggering the free spins round, where an expanding symbol delivers the game's most significant wins.
Book of Madness ROAR slot returns 96.16% to players over the long run, a fair figure that sits at the upper end of the wider Book of Madness family's RTP range, giving it a slight edge over some of its siblings on pure return alone.
Rated medium volatility, this release should play out with the same approachable rhythm found across the rest of the series. Expect a steady spread of smaller wins in the base game, with the free spins round supplying the standout moments without demanding the nerve required by the genre's high-variance entries.
No confirmed max win multiplier has been published for this release, so it's best treated as an open question. As with the rest of the Book of Madness family, the free spins round and its expanding symbol represent the clearest route to any serious payout.
Book of Madness ROAR slot offers a fractionally higher RTP than several of its stablemates while keeping the same manageable medium volatility and horror atmosphere that define the wider series. It's a solid pick for fans of the franchise looking for a slightly different flavour. Try the free demo at johnessyslots to see what ROAR brings to the format.
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Book of Madness ROAR has an RTP (return to player) of 96.16%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by BulBul — individual sessions can land far above or below it.
Book of Madness ROAR is rated medium volatility. Medium-volatility slots sit between the extremes — a balance of win frequency and win size.
Book of Madness ROAR is developed by BulBul and was released in May 04, 2026.
Verified Data via Johnessy AI