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Book of the Damned (Rival) Slot Review

Book of the Damned by Rival Gaming doesn’t just invite you into a slot game — it drags you headfirst into a shadow-soaked, gothic underworld. Picture dust-laden libraries lit only by trembling candlelight, grotesque gargoyles perched above ancient stone archways, and whispers of forbidden rituals echoing through the darkness.

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Game Details:

Game Provider: Rival Gaming
Theme: Adventure
Reels: 5, Rows: 3
Win lines: 10
Release Date: October 15, 2025
Minimum bet: €0.10
Maximum bet: €12.50
Maximum win: 10,000x
Variance: High
RTP: 96.11%
Expanding Wild
Free Spin
Symbol Replacement
Bonus Buy

Book of the Damned Slot Review

Instead of following the familiar “Book of…” formula rooted in sandy pyramids and Egyptian relics, Rival boldly shifts into darker territory. Here, you’ll uncover secret holy orders, cursed manuscripts, and mystical forces long hidden from the mortal world.

Book of the Damned slot
Book of the Damned Slot

Dual-Function Book Symbol

At the heart of the game lies the enigmatic Book of the Damned symbol — a powerful icon with a dual purpose.

As a Wild, it replaces other symbols, helping piece together wins where the reels might otherwise fall short.

As a Scatter, the Book becomes even more valuable: landing three or more unleashes the game’s Free Spins feature, opening the door to the slot’s most explosive win potential.

This duality adds a sense of danger and excitement to each spin, as every flicker of a Book symbol on the reels hints at deeper mysteries waiting to be unlocked.

Free Spins

Triggering the Free Spins with 3+ Books grants you 10 free spins, but the real thrill begins before the reels even start turning.

A random symbol is chosen to become the Cursed Expanding Wild — a mechanic that can transform an ordinary spin into a dramatic, screen-filling win.

During the feature, whenever this chosen symbol lands as part of a winning combination. It expands vertically, engulfing the entire reel in cursed energy and dramatically amplifying your payout potential.

What makes this feature truly powerful is that the expanding symbol pays on all active paylines, even when the symbols don’t land in adjacent reels. This breaks traditional slot rules and can lead to shocking, full-screen moments where the wins pile up fast.

Book of the Damned Free Spins
Free Spins with Expanding Wild

Bonus Buy

Bonus Buy lets you instantly trigger the Free Spins features for an upfront cost equivalent to 100x your bet.

The Conclusion of the Review

Book of the Damned is a high volatility game. RTP is 96.11%.

Book of the Damned stands out as one of Rival Gaming’s most atmospheric and suspenseful creations. Its dark thematic direction, eerie visuals, and high-impact expanding symbol mechanic make it a memorable experience for players who enjoy a heavy dose of mystery with their gameplay.

Rather than overwhelming you with a maze of bonus modes, Rival focuses on one exceptionally strong feature — the expanding wild in free spins — and builds the entire game’s excitement around it. The result is a slot that feels intense, immersive, and rewarding, especially for players who appreciate high-volatility thrills wrapped in a supernatural aesthetic.

Rating
8
Very Good

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