Book of Inferno

The Book of Inferno slot is a hellish adventure where you accompany Anna the Demon Huntress into the inferno to slay and capture demons. This visually stunning video slot was developed by Quickspin and houses 10 paylines with a 5846x the bet maximum payout and 96.15% RTP. Some of the main mechanics are expanding symbols and symbol upgrades. The game is available on both desktop and mobile and you can find it for free or for real money at our recommended Quickspin casinos.

Book of Inferno GAME INFO

JACKPOT: 5846x
$0.1 $1

Book of Inferno FROM Quickspin

Welcome to Hell! In this Quickspin release titled the Book of Inferno slot, we shall be going on a hellish adventure together with Anna the Demon Hunter. The story behind the game is that of Anna who is travelling through the inferno to defeat the Lord of Hell. All of these characters are represented through symbols in the game. Speaking of symbols, some of the main mechanics of this slot are symbol upgrades using the most powerful symbol – Book of Inferno.

Players will be spinning the reels trying to land the Book which has many special abilities. All the while, badass music will be playing in the background with highly detailed visuals and graphics popping around the screen. Truly, this is one of the best-looking slots Quickspin has ever released. Graphics aside, let us dive into the mechanical details in this Book of Inferno slot review.


We can all see that the Book of Inferno slot by Quickspin looks and sounds great, but is the gameplay proportionally good? The answer is yes, the gameplay loop is quite exciting and focuses on the Book symbol Anna will be using for various purposes. Before we talk about the Book, the game is based on a payline system with 10 active paylines. Players will be arranging at least 3 identical symbols in one of those. Payouts are structured from left to right but this can change.

Now, the special Book symbol does many things. Mainly it acts as both a wild and a bonus scatter to trigger free spins and it also has a payout value of its own. It also has some other feature that we will cover later. For now, keep track of the Book in the base game for wild combinations. The other symbols are regular ones and they are split into 4 high-win ones representing the characters of the game. Likewise, there are the 6 low-win symbols representing card royals.

Lastly, players can enable the fast spin mode with the lightning bolt icon on the right.

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The player’s betting options in the Book of Inferno online slot include a wagering range from 0.1 to 100 units. The maximum payout the players can win is 5846x the bet. The RTP of the game is a slightly above-average value of 96.15% which is worthwhile all things considered. As for variance in payouts, you can expect high volatility as is fitting of a demonic and hellish slot.

As for symbol payouts, they are pretty varied with the highest paying symbol being the Book. The book will net you anywhere from 10x your bet up to 500x your bet if you happen to land 5 of them. The other regular symbols max out at 12x for 5 ace symbols and 500x for 5 Anna the Demon Huntress symbol. These are some crazy high payouts but the higher-end symbols are quite rare to land. You will mostly be seeing high-win symbols through Book upgrades which we will talk about soon.

Other than that, the player also has the betting option of purchasing free spins at the cost of 125x the main bet.


The Book of Inferno slot revolves around the special Book symbol and its ability to upgrade symbols. Some symbols also have the ability to expand over the entire reel. Let us cover these features in detail now.

  • Marked Symbols – These symbols look like regular symbols but with a fiery visual effect. Any time a market symbol lands, if there are enough of them to trigger a payline, they expand to cover the entire reel and pay anywhere on the line. This ability also allows them to pay without the need to be a in sequence from left to right.
  • Book of Inferno – Apart from being a wild and a scatter, the book symbol can also upgrade marked symbols. Any time a Book lands along with a marked symbol, the symbol is upgraded one step to a higher-paying symbol. This can potentially create more Marked symbols and expansions. If the symbol is upgraded to the highest point, another lowest symbol is converted into the highest.
  • Free Spins – Land 3, 4, or 5 Books to trigger 10, 15, or 25 free spins respectively. These can also start with an x2, x20, or x200 bet win multiplier. These can be retriggered by the book. At the start of free spins, a random symbol will be marked.

As you can see, this Quickspin title has quite a snowball nature where you can get momentum with marked symbol upgrades and win big. The game is all about the Book symbol so keep a lookout for it.


Quickspin’s Book of Inferno slot manages to deliver greatly on two fronts –visual design and gameplay. And these are arguably the most important parts of any online slot. The marked symbol mechanics combined with symbol upgrades from the Book symbol can reward the player with enormous payouts with a little luck. This is cranked up to eleven in the free spins mode where marked symbols are guaranteed. Overall, this is an excellent Quickspin release that we recommend everyone try. You can find the Book of Inferno slot on any of our recommended Quickspin casinos.

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