Book of Monsters
by Pragmatic Play, very high volatility, 5,000x max win
About Book of Monsters
Monster-themed cluster pays slot with the unique Fat Symbol mechanic, during free spins, a chosen symbol starts at 1x1 and grows by collecting matching symbols up to 7x7. Pre-Bonus Gamble lets you risk for more spins or a higher-value Fat Symbol. 4-7 scatters trigger 5-8 free spins. Hit frequency 1 in 4.31.
Book of Monsters puts you in control of a feature round once you hit the right symbols. You get between 5 and 8 free spins, and the game picks one random symbol to pay better during those spins. Want more? The gamble option lets you bet your free spins for a shot at getting extra spins or bumping up to a fancier, more valuable version of a symbol. It's a straightforward mechanic that keeps things moving.
The RTP sits at 96.50%, and the max win goes up to 5,000x your bet. Very High volatility means wins come less often but hit harder.
Where to find it
Book of Monsters runs right in your browser, nothing to install. Log in, pick a stake, and you are away.
Pick your bet per spin, and check the paytable in-game to see what the symbols and bonuses pay. Top up in BTC, ETH or USDT and your wins go back to your own wallet when you cash out.
Play Book of MonstersMore Pragmatic Play Games
Frequently Asked Questions
What is the Fat Symbol mechanic in Book of Monsters?
During free spins, a chosen symbol starts at 1x1 size and grows larger by collecting matching symbols, expanding up to 7x7. This mechanic increases win potential as the symbol occupies more of the grid.
How many free spins can I trigger in Book of Monsters?
Landing 4 to 7 scatter symbols triggers 5 to 8 free spins. More scatters on the triggering spin result in more free spins.
What does the Pre-Bonus Gamble feature do?
The Pre-Bonus Gamble lets you risk your free spins to either increase the number of spins or boost the value of your Fat Symbol before the feature begins.
What is the volatility and max win potential of Book of Monsters?
Book of Monsters has very high volatility with a maximum win of 5,000x your stake and an RTP of 96.50%, meaning wins come less frequently but with larger potential payouts.
How often do winning spins occur in Book of Monsters?
The hit frequency is 1 in 4.31 spins, meaning you land a win approximately once every four spins on average.
