Book of Horror Casinos and Review 2021

Book of Horror

The Book of Horror video slot from Spinomenal has a throwback style of Halloween theme with extensive graphics. Additionally, the gameplay largely centers around a single symbol that gives lots of payouts and triggers a free spins bonus feature with expanding special symbols.

Rating: 85% | Made By Spinomenal | Reviewed On

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An Introduction to Book of Horror

Spinomenal is great about filling their portfolio with games that cover a wide range of themes, concepts and motifs. With the Book of Horror online slot, we get another example of that approach. This Halloween-based title has an amazing look and a style of play that will appeal to virtually everyone.

Book of Horror Main Screen
Book of Horror Main Screen

Because of this, it’s not just a game you’ll want to play in the Halloween season. It has a serious appeal all year long.

Players will first be struck by the awesome presentation that’s in the style of older Halloween slots from a couple decades back. However, the quality of the graphics and gameplay are both much better than then. This style of presentation is marked by a very strong and bold graphical approach. Additionally, the overall aesthetic is definitely spooky, but just enough bright colors are used to keep the thing visually appealing. It also helps to draw your eyes to the right places on the reels.

It’s easy to see why the visual aspects of the game would stand out. However, the gameplay isn’t left behind by any means. The symbol that the game is based on is appropriately the centerpiece of the gameplay. Along with that, chances for frequent wins based on a generous pay table are also a key part of how your experience will go with this title.

Betting and Layout

One of the things we like about how Spinomenal handled this game is that they used a standard format. This fits the throwback style and feel. However, it also keeps things from being more complicated than they need to be to have a great experience. Here’s what to expect:

  • A total of five reels are used in this game vertically. Additionally, three horizontal rows are cast across those reels.
  • Players will have 10 paylines to win on in addition to scatter payouts. The lines only pay from left to right. However, winning combinations must start on the far-left reel.
  • As a part of keeping things as simple as possible, you will not be able to change the active lines. Instead, this is always going to be 10 for this title.
  • Betting allows you to choose from a variety of bet sizes per line. The total amount, the line wager multiplied by 10, is shown just below this amount.
  • Additionally, the overall betting range takes you from €0.10 to €100 per spin, which is a very wide spread.

With the way that the pay schedule and features are set up, this game has a medium volatility. This leads to swings that are noticeable but not excessive. We think this is an appropriately balanced level of volatility considering the theme and gameplay style.

Wins for this title are described in numbers of coins unless otherwise noted. Understand that 10 coins are wagered per spin with the idea that you have one on each payline. If you want to know what these wins are as a multiple of the total bet, divide them by 10.

Gameplay and Features

Within the Book of Horror video slot, a handful of features are all tied together through the book itself. Along these lines, the book is the most important symbol in the game. That’s appropriate since it’s what the entire title is based on. In any event, we’ll walk you through everything this book can do and the rest of the aspects of gameplay in the following.

Book of Horror Scattered Wild
Book of Horror Scattered Wild

Wild Payouts

First off, the book symbol with the giant eye coming out of it is a wild. It appears on each one of the five reels to help players get payouts they wouldn’t have been given otherwise. Additionally, since it shows up on every reel, it offers line-based payouts along the following lines:

  • Five of a Kind – 5,000x
  • Four of a Kind – 1,000x
  • Three of a Kind – 100x
  • Two of a Kind – 10x

Note two things here. First, the 5,000x win for five is tied as the best individual payout in the game. Additionally, you can win with just two of a kind, which helps the volatility stay reasonable.

We also want to clarify something about how the wilds pay. Each payline is evaluated to see what the single best payout is on it. For example, if you had two wilds follows by a jack-o-lantern, two different potential payouts are available. Two wilds would pay 10x, but three jack-o-lanterns would get you 40x. The game defaults to the 40x win since it’s the larger prize. This helps to make sure you always get the best payouts possible.

Scatter Payouts

The books give wild, line-based payouts as noted above. However, they simultaneously give scatter wins that are calculated separately. This means the same set of wilds can pay you in two different ways in certain scenarios.

Along those lines, the scatter payouts for the book symbols are as follows:

  • Five of a Kind – 250x
  • Four of a Kind – 25x
  • Three of a Kind – 2x

Note that these are the only payouts in the game that aren’t expressed in coins. Instead, these wins are multiples of the total amount you have wagered. That means the 250x scatter win for five would be like a 2,500x line bet win. Additionally, this makes it the second-best payout in the game.

Book of Horror Free Spins
Book of Horror Free Spins

Free Spins Mode

Three or more of the book symbol anywhere on the game board will also trigger a set of free spins. No matter how many scatters you get (three, four or five), a total of 10 free spins will be awarded.

When this feature starts, a random regular symbol is chosen on a wheel. This is the special expanding symbol, and it only happens in the free spins. After all regular wins are awarded on a free spin, every instance of the expanding symbol will cover all three positions on its respective reels. This gives you more opportunities for getting payouts.

However, what’s really special here is that these expanding symbol wins don’t have to happen on consecutive reels. They are paid as if they were beside of each other, which means serious chances for some significant payouts.

How to Win at Book of Horror

Something really cool about the Book of Horror online slot is that you don’t have a lot to keep up with in terms of controls and betting. The volatility is also in the medium range, so you don’t have to worry about that either. No betting adjustments or big changes to how you play are necessary here as a result.

Instead, the best thing you can do is simply choose a bet size you’re comfortable with. Something around the average of the range you typically play with is a solid option. As a result, you’ll have some swings, but they won’t be severe on average.

Payout Structure for Book of Horror

The witch in the red dress pays 5,000x for five, the same as the wild’s line payouts. From there, the jack-o-lantern full of goodies gets you 2,000x, and the witch’s stew pays 750x for five. The grave with “RIP” on it awards players 750x for five as well. All four of these symbols, as well as the wilds, pay for just two of a kind on a payline.

Book of Horror Payouts
Book of Horror Payouts

However, for the following low-tier symbols, you need at least three. Both the red A and orange K symbols each pay 150x for five of a kind combinations. Additionally, the yellow Q, green J and blue 10s will each pay 100x for five. All of these card rank symbols have spider webs laid in them, which fits the theme perfectly and looks great.


Due to the large appeal to a lot people, this game has an excellent spot in this software company’s portfolio as a whole. It’s also worth noting that if you’ve enjoyed playing other video slots that have used this style of concept, then this is a title you won’t want to miss.

It’s also worth noting that a variety of special features are available in in this title, and that is a fact you can’t necessarily say for much of the competition. If action is exactly what you’re seeking out in your sessions, then you’ll absolutely enjoy the gameplay style that this slot brings to your play, and the graphics level and feel of this video slot brings a gorgeous tone that’s definitely comparable with several of the best that the online slots industry as a whole has to offer.


Which online casinos have Book of Horror?

Use the list of Book of Horror casinos to see all online casinos that have Book of Horror. We filter the casino top list to only show Book of Horror casinos that accept players from your location.

What is the Return to Player (RTP) for Book of Horror?

The Book of Horror RTP is 96.14%. An RTP of 96.14% puts Book of Horror among slots with an average Return to Players. To be a high RTP slot it would have to be 98% or more.