Book of Horror Slot Review

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  • 50,000x jackpot
  • Free Spins with Expanding Symbols
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Game information


Book of Horror











Book of Horror is a Spinomenal online slot with 5 reels, 3 rows, and 10 paylines. Spinomenal is using the “Book of” formula yet again, for another outing. Is this one worth playing or not? Read our in-depth slot review of the Book of Horror slot to find out.

Spinomenal further pads Book of Horror with Free Spins, Book Symbols, and a Bonus Buy. If you want quick access to the Free Spins feature. You can flick on the feature buy option switch at a cost of 104x.

Moreover, Book of Horror is a high variance slot with a jackpot of 50,000x your stake. You can play for bets between $0.01 and $10. That means wins of up to $500,000 if you play at the max bet of $10. You can also play Book of Horror as a mobile slot on the go. The real money casino slots load seamlessly on smaller screens. So much so, you can play Book of Horror at the best and safest mobile casinos online!

book of horro slot by spinomenal

RTP & Symbols

The RTP of Book of Horror is 96.14%. That’s a notch above average and there are no variations either. You’ll get the same math model no matter where you play, which is pleasant.

The atmosphere of Book of Horror is top-notch and you can dive into the theme easily. It’s quite creepy, too, so ideal for players that enjoy that. The low-value symbols look like card ranks with webs, which is stylish.

They pay 150x your bet stake per line at most. The high pays are even better in this regard, of course. They are all well-designed and you can look forward to gravestones, pumpkins, cauldrons, and female witches. Witches are the top-paying symbols. When a full line of them pops up you’ll pocket a sublime win of 5,000x. Since there are 10 paylines active at all times, this converts to 500x your total stake.

Thai Blossoms is the perfect new slot machine for US players that dig slots with an Asian theme. Take it for a few spins at our recommended online casinos in the USA that work with Betsoft.


Bonus Rounds Book of Horror Slot

Book Symbols

The Book symbols serve as both Wilds and the scatter in Book of Horror. In other words, they sub for adjacent symbols and they trigger the free spins. The bottom line is, you want a bunch of them on the reels.

Free Spins

Land 3+ Book symbols and you’ll trigger the Free Spins Feature. You’ll get 10 free spins with possible retriggers. At the start, you’ll spin a wheel to determine your Expanding Symbol. This symbol type will expand to create wins, if possible. Also, it will pay out on all lines, even when not adjacent!

Bonus Buy

If you don’t want to wait for the Book symbols, you can jump into free spins via Bonus Buy. Just pay 104x your bet and you’ll move straight onto the Free Spins Feature.

Book of Horror Tips & Strategy

Book of Horror is one of those online slots with a classic Spinomenal spin, sorry formula. After what seemed an eternity we finally hit a big spin that dropped a reasonable win of 171x our stake. We got the female witch symbol as the Expanding Symbol. That’s what you’ll want to get if possible since it brings big payouts to the fore. Note that re-triggers are also possible to give you a better chance of winning.

We must stress Book of Horror slayed our bankroll and we did not show a profit. Besides, we did not expect anything less because our bankroll was just $100. If you play it keep your bets to a minumum. Also, decide how many spins/sessions you want to play the slot for.



Book of Horror is a good “Book of” slot from Spinomenal. It hits all the right notes with its 50,000x jackpot and good free spins. Note that there are no innovations in the mix, though. That means you don’t have much to look forward to if you don’t like this style of slots.

Perhaps the designers could come up with something fresher next time around? At least the atmosphere is on point. That means Book of Horror is ideal if you want something a bit creepier to enjoy. It’s just in time for Halloween celebrations!

Fancy some Norse mythology instead? Then give a shot to Tales of Asgard: Loki’s Fortune from Play’n GO! It’s a 5×5 video slot with as many as 3,125 ways to win. There are Mystery Symbols, different Modifiers, and Free Spins.

The Modifiers can show up on any spin spicing things up big time. Lucky players can grab the 20,000x jackpot, with max bet standing at $100. Even low rollers can jump right in thanks to the min bet of just $0.10.

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