Step into a gothic library where forbidden knowledge and untold riches are hidden within the pages of a cursed tome in Book of the Damned by Rival. This atmospheric slot reinvents the classic “Book of” experience with a dark and mysterious theme, leaving ancient Egypt behind for candlelit halls and stone gargoyles. The game is centered on a 5×3 grid with 10 paylines, where the Book symbol itself holds the ultimate power, acting as both a Wild and a Scatter. Trigger the core feature to unlock 10 free spins, where a randomly selected symbol expands to cover entire reels, creating massive win potential. With an RTP of 96.11% and the ability to buy directly into the bonus round, Book of the Damned offers a focused and thrilling adventure. Discover the secrets held within by trying the demo version.

Core Gameplay Mechanics at a Glance
| Feature Name | Description | Trigger / How it Works |
|---|---|---|
| Wild Scatter Symbol | The ‘Book of the Damned' symbol serves a dual purpose. It substitutes for all other symbols to help form winning combinations and also acts as the key to trigger the Free Spins feature. | Acts as a Wild in any position. Landing 3 or more anywhere on the reels triggers the Bonus Round. |
| Bonus Round | A Free Spins feature where one symbol is randomly selected to become a special expanding symbol for the duration of the round. | Activated by landing 3, 4, or 5 Wild Scatter symbols, which awards 10 free spins. |
| Special Expanding Symbol | Before the free spins begin, a symbol from the paytable is chosen at random. When this symbol lands during the bonus, it expands vertically to cover the entire reel if it results in a win. | This symbol pays according to the paytable on all active lines, even on non-adjacent reels. |
| Bonus Buy | An optional feature that allows players to purchase direct entry into the Bonus Round for a fixed price. | Clicking the “Bonus Buy” button and confirming the payment immediately triggers the free spins feature. |
How Does the Book of the Damned Gameplay Work?
The Book of the Damned slot operates on a straightforward yet engaging 5-reel, 3-row layout with 10 fixed paylines. Wins are awarded for matching symbols on these paylines from left to right. The game's design ensures that both newcomers and veterans of “Book of” style games can immediately understand the mechanics and focus on the thrill of the hunt for the sacred texts.
Symbols of Power and Damnation: Paytable Explained
The paytable is divided into two distinct tiers. The high-value symbols are represented by characters that build the game's narrative: a heroic adventurer, a formidable knight in white armor, and a mysterious hooded figure. The most lucrative of these is the adventurer, who offers the highest payout. The mid-tier symbols are an ancient scroll and a mystical amulet, bridging the gap between the character symbols and the lower-paying icons. The lower tier consists of the standard royal card values from 10 to Ace, each intricately designed in a gothic font to match the game's dark Fantasy theme.
The Dual-Role Symbol: Understanding the Wild Scatter
The centerpiece of the game is the Book of the Damned symbol itself. This icon is the linchpin of the entire experience, functioning as both a Wild and a Scatter. As a Wild, it substitutes for any other symbol on the reels to help complete a winning payline. As a Scatter, its power is far greater. It does not need to land on a specific payline to be effective; three or more of these books appearing anywhere on the screen are enough to unlock the gates to the game's coveted Bonus Round. This dual functionality is a hallmark of the Book of mechanic and is executed perfectly here.
What Triggers the Bonus Round in Book of the Damned?
The Bonus Round is triggered by landing three, four, or five Book symbols simultaneously anywhere on the reels. This event immediately grants the player 10 free spins, transporting them deeper into the arcane library where the true potential of the Book of the Damned slot is unleashed.
According to Vlad Hvalov, “Many players focus solely on triggering the free spins naturally. In the Book of the Damned demo, don't neglect the Bonus Buy feature. Use it as a tool to understand the volatility of the expanding symbol payouts without any real risk.”
The Expanding Symbol: Key to Major Wins
Before the 10 free spins commence, one of the game's regular symbols is randomly selected to become the Special Expanding Symbol. Throughout the free spins, whenever this chosen symbol appears on the reels in sufficient numbers to form a win, it will expand vertically to cover all three positions on its respective reel. A crucial aspect of this feature is that these expanding symbols pay out on all active lines, regardless of whether they are on adjacent reels. This mechanic is the key to achieving the game's most significant payouts, especially if a high-value character symbol is selected.
Is the Bonus Buy Feature Worth It?
For players who prefer to get directly to the most exciting part of the game, the Book of the Damned game includes a Bonus Buy option. For a specified multiple of the current bet, players can instantly trigger the free spins round. This feature is particularly useful in the Book of the Damned demo environment, allowing for repeated exploration of the bonus round's mechanics and potential outcomes without financial commitment. It provides a direct path to experiencing the core expanding symbol feature, which is the heart of this dark Adventure.
Theme, Atmosphere, and Graphics
Rival has crafted a distinct atmosphere that sets Book of the Damned apart from its peers. The setting is a grand, gothic library, with towering bookshelves, flickering candles, and menacing stone gargoyles watching over the reels. The color palette is rich with deep reds, dark woods, and golden accents, creating a sense of both dread and opulence. This Horror-tinged environment is a perfect match for the game's title and adds a layer of narrative depth to the gameplay. The overall design leans into a sense of Mystery, inviting players to uncover forbidden secrets.
As Vlad Hvalov notes, “Pay close attention to which symbol is chosen to expand. A high-value symbol like the adventurer can lead to significant payouts, but it appears less frequently. The key is understanding the risk-reward balance of each symbol.”
Comparative Analysis: Book of the Damned vs. Other Titles
In the vast library of online slots, the “Book of” mechanic is a popular chapter. Book of the Damned carves its own niche through its gothic theme. When compared with the aquatic mythology of the Lord of the Ocean slot game, another title centered on a powerful male protagonist, the contrast in atmosphere is stark. While both games offer high-stakes free spins with expanding symbols, Book of the Damned opts for a darker, more intense setting over the deep-sea fantasy of its counterpart.
Similarly, when placed next to the innovative Mummyland Treasures free slot, the traditional strength of Book of the Damned becomes apparent. Mummyland Treasures uses cascading reels and dynamic multipliers in its treasure-hunting theme, offering a complex and layered experience. Book of the Damned, by contrast, focuses on the pure, unadulterated thrill of the classic expanding symbol feature, proving that a well-executed core mechanic can be just as compelling.
The Damned's Dossier: Little-Known Facts
- The design of the main adventurer protagonist appears to draw inspiration from classic monster hunters like Van Helsing, a notable departure from the Indiana Jones-style explorers typically found in games with this mechanic.
- The gargoyle statues perched above the reels are not merely decorative. In gothic architecture, they were traditionally believed to ward off evil spirits, creating a fascinating irony within a game titled “Book of the Damned.”
- Unlike many “Book of” slots that rely on generic ancient artifacts, each high-value symbol in this game represents a distinct character archetype: the hero (adventurer), the cleric (knight), and the mage (hooded figure), suggesting a deeper, untold story behind the cursed tome.
Final Verdict and Recommendations
Book of the Damned is a well-crafted and atmospheric slot from Rival that successfully leverages the beloved “Book of” mechanic. Its greatest strength is its thematic integrity; the gothic horror aesthetic is a refreshing change of pace and is executed with impressive detail. The gameplay is focused and potent, centered entirely on the thrill of the free spins round and the power of the special expanding symbol.
While it doesn't reinvent the wheel, it polishes it to a dark, gleaming sheen. The inclusion of a Bonus Buy feature adds a modern touch, giving players more control over their experience. I would recommend the Book of the Damned free play version to anyone who appreciates the “Book of” mechanic but is looking for a darker, more narrative-driven setting. It's a compelling Magic-themed game that proves this classic formula is far from being a closed book.
FAQ
The main feature is the Bonus Round, which awards 10 free spins with a special expanding symbol. This symbol is chosen randomly before the spins start and expands to cover the entire reel when it can form a winning combination, paying even on non-adjacent reels.
The expected payback (RTP) for the Book of the Damned slot is 96.11%.
Book of the Damned was developed by Rival, a well-known provider in the online casino industry.
Yes, the Book symbol itself acts as the Wild, substituting for all other symbols to help create winning combinations. It also functions as the Scatter symbol to trigger the free spins feature.
Yes, Book of the Damned includes a Bonus Buy feature, which allows you to pay a set price to instantly activate the free spins bonus round.
The game is played on a 5×3 reel layout with 10 fixed paylines.
The highest paying regular symbol in the game is the adventurer character.
The Book of the Damned demo is available for free play right here on Respinix.com.
Book of the Damned












