Book of Monsters
RTP
96.5%
Volatility
High (5/5)
Max Win
5000.00x
Key Facts
Book of Monsters is a high (5/5)-volatility online slot from Pragmatic Play with an RTP of 96.50% and a maximum win of 5000.00x.
- Provider
- Pragmatic Play
- RTP
- 96.50%
- Volatility
- High (5/5)
- Max win
- 5000.00x
- Layout
- 7×7
- Paylines
- Cluster Pays
- Released
- 2025
Page updated August 2026
Play Book of Monsters Demo
Free play · no real money · 18+
Real Play Data
StreamNeeds DataBook of Monsters has been played 3 times across 3 live bonus hunts by streamers on the StreamNeeds network with a biggest recorded win of 44.6×.
- Times played
- 3
- Biggest win
- 44.6×
- Avg result
- 31.12×
- Total requests
- 3
Recorded live across the StreamNeeds streamer network — not theoretical.See the 44.6× hunt →Updated 26 Aug 2026
The Data
Method & full datasetBook of Monsters has been opened 3 times in our recorded bonus hunts between 28 Jun 2026 and 1 Jul 2026; the median open returned 43.75× the bet, and 0 of 3 opens (0%) returned 100× or more; the biggest single result recorded was 44.6× the bet.
Every recorded open by result — 3 opens
- No win (0×)
- 0 (0%)
- Under 10×
- 1 (33%)
- 10–25×
- 0 (0%)
- 25–50×
- 2 (67%)
- 50–100×
- 0 (0%)
- 100–500×
- 0 (0%)
- 500×+
- 0 (0%)
A multiplier is the win divided by the bet for that open. A bought bonus typically costs around 100× the bet, so opens below 100× lost money on the buy.
All 3 recorded opens
Every row is a real bonus opened on a live stream and recorded at the time — no simulations, no estimates, nothing back-filled. Unfinished opens are excluded. How this data is collected →
Where to Play Book of Monsters
18+ | Play responsibly | Ad — we may earn a commission from these partners.
Game Review
Reviewed by Johnessy
Our recorded Book of Monsters bonuses
We have opened Book of Monsters 3 times between 28 Jun 2026 and 1 Jul 2026 on stream and logged the result. The best of those paid 44.6× the bet. That is too few opens to say anything about how the game behaves — it is a record of what happened on those occasions, nothing more.
Book of Monsters is an online slot from Pragmatic Play, with high (5/5) volatility, a published RTP of 96.50% and a listed maximum win of 5000.00x.
RTP varies between casino configurations and markets, so check the information screen inside the version you are playing. A maximum-win figure is a theoretical ceiling, not a likely result. How these pages are researched and what the recorded play data does and does not show is set out in our editorial policy.
18+ only. Slot outcomes are random and past results do not make a win more likely — set a limit before you start.
Book of Monsters FAQ
What is the RTP of Book of Monsters?+
Book of Monsters has an RTP (return to player) of 96.50%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Pragmatic Play — individual sessions can land far above or below it.
How volatile is Book of Monsters?+
Book of Monsters is rated high (5/5) volatility. High-volatility slots pay out less often, but wins tend to be bigger when they land — expect longer dry spells and larger swings to your balance.
What is the max win on Book of Monsters?+
The advertised maximum win for Book of Monsters is 5000.00x. Max wins are extremely rare by design — treat them as a ceiling, not an expectation.
Who makes Book of Monsters?+
Book of Monsters is developed by Pragmatic Play and was released in 2025.
What is the layout of Book of Monsters?+
Book of Monsters plays on a 7×7 grid with Cluster Pays paylines.
Can I play Book of Monsters for free?+
Yes — you can play the free Book of Monsters demo directly on this page. It runs Pragmatic Play's own free-play version of the game with play money, so no account, deposit or registration is needed. Demo balances are not real and cannot be withdrawn.
Tech Specs
Specs compiled from provider data
