Unleash the Beasts: Book of Monsters Invades Bluff.com!

By Alyx Tzamantanis

Fri 27 Feb 2026 15:01

Alyx Tzamantanis 27 Feb 2026

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Bluff.com adds Pragmatic Play’s Book of Monsters to its slot collection.
Game features include a 7x7 grid, supersized symbols, and a 96.50% RTP.
Exclusive bonuses for new players using a special promo code.

The lobby at Bluff.com just got a lot more exciting, and a little more crowded with colorful creatures. Bluff has officially announced the addition of Book of Monsters by Pragmatic Play to its growing slot collection.

The Lowdown on Book of Monsters

Ditching the dusty Egyptian tombs of typical 'Book of' slots, this standout slot from Pragmatic Play combines fun and exciting Cluster Pays with a whimsical horror theme that’s already a hit with the Bluff.com community.

What Makes Book of Monsters a Must-Play?

Pragmatic Play has reinvented the grid-slot experience with this 7x7 title. Here’s why it’s a game-changer:

Supersized Symbols: Any symbol can randomly hit at sizes from 3x3 to a massive 7x7, potentially filling the entire grid for an instant payout on any base game spin

The Fat Symbol Mechanic: Land 4+ Scatters to enter the free spins realm. A random monster is chosen as the Fat Symbol. As you collect matching icons, your monster grows, awarding more spins and covering more of the grid

Above-average RTP: With a solid 96.50% RTP and a 5,000x max win, it balances frequent cluster hits with serious high-volatility potential

How to Play Book of Monsters

To start your monster-hunting journey, you’ll need to be an official member of the Bluff.com community. The good news? Registration is a lightning-fast process designed to get you to the 7x7 grid in under two minutes.

As a special perk for our readers, WhichCasino has teamed up with Bluff to give you a head start. New players can now unlock a special exclusive welcome offer by using our exclusive Bluff.com promo code during the sign-up process.

Exclusive Access: Using our code ensures you aren't just getting the standard site promo, but a boosted bankroll tailored for high-volatility games like Book of Monsters

Instant Activation: Simply enter the code in the "Promo Code" field during registration, and your bonus will be ready to use the moment you make your first deposit

Why Bluff is the Ultimate Home for Monsters

While Pragmatic Play is everywhere, Bluff.com is the best place to play this specific title:

Lightning Cashouts: Bluff's cashier is built for speed. Whether you’re using crypto or instant banking, winnings from your monster-hunting sessions are typically in your account within hours, not days.

Lag-Free Mobile Play: Book of Monsters relies on smooth 7x7 grid animations. Bluff’s ultra-lightweight interface ensures the action remains crisp and responsive on any mobile device.

The Bluff Edge: New players can dive in with a boosted welcome bonus when using our code, giving you triple the fuel to hunt those elusive 7x7 grid-fillers.