Book of Shadows Slot Review

Book of Shadows is a horror-themed game. It impresses with its diversity of modifiers, bonus features and options. You can lock up to 4 reels, activate extra rows and pay-lines. Take part in 2 gamble games after wins if you like, activate the free spins or buy them. A lot on offer and a diabolic theme awaits you!


Book of Shadows Overview

Book of Shadows

Book of Shadows was released on the 20th of August 2020 by Nolimit City. If you like thrilling slots with spine-chilling images and plenty of bonus games, you will be pleased with it. This is a highly volatile game in which you can win up to 30,338x bet, so give it a try!

Available on:






Game Type:

Video Slot

Book of Shadows Details

  • Bonus Game:
  • Yes
  • Progressive:
  • No
  • Paylines:
  • 20
  • Wild Symbol:
  • Yes
  • Reels:
  • 5
  • Scatter Symbol:
  • Yes
  • Autoplay Option:
  • Yes
  • Multiplier:
  • No
  • Min Coins Size:
  • 0.10
  • Free Spins:
  • Yes
  • Max Coins Size:
  • 100
  • Jackpot:
  • 30,338x bet

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Book of Shadows Review

Book of Shadows is a 5-reeled video slot with 3 rows and 11 symbols. The RTP of the base game is 96.01%. The free spins feature buys vary between 96.20% to 96.43% depending on the number of Shadow Rows. The latter determines the RTP of the base game too; it can be 96.01% with 3 Shadow Rows, 96.07% for 4 and 96.19% for 5 Shadow Rows. You can play with active 10, 15 or 20 pay-lines depending on your preferences. Choose from the 25 available wagers, which range from 0.10 to 100 credits.

The features and extras in Book of Shadows are abundant in number and very diverse. There is a Shadow Rows option to increase and decrease the number of rows to 4 and 5. This increases the pay-lines by 5 per extra row. There is a Lucky Locks feature that lets you lock up to 4 rows for a chance for bigger wins or triggering of bonuses. After wins, you can take part in 2 different gambles. Wins up to 60x stake let you take part in the Gamble Wheel of Bonus and win the activation of the free spins.

The other option is taking part in a 50/50 card gamble and guess the colour of the face-down card. This doubles your payouts and you have 50% chance to be lucky. The Free Spins you can win with 3 or more Book symbols. You can also get them from the Gamble Wheel of Bonus or buy them from the Nolimit Bonus. These rounds play with a randomly chosen Golden symbol that you can change once. This is an expanding symbol and it ensures better wins. The jackpot win per spin in Book of Shadows is 30,338 times your stake up to €3,033,800.

The Design

Book of Shadows is a horror-inspired slot set in a creepy dark forest. You can see the black trees around the grid. Its overall design is with animations that look like drawings from a comics book. The cards symbols are in bloody red and appear like written with blood. They have a unique style. There are potion bottles with an eye in each, goat skulls, green butterflies. Purple cats without fur and a mysterious face of a girl will also hit the reels.

The most important symbol os the Book symbol with the pentagram on its cover. The soundtrack is gloomy and in the theme of the horror genre. You will hear the owl hooting and a melody that will send chills down your spine. The images and music are thematic and ensure thrilling rounds with the game.

Book of Shadows Gameplay

The symbols in the game are 5 card royals at the low end, 5 premiums and a double wild and scatter symbol – 11 symbols in total.

The 10 pays 0.20, 5 and 10x stake for 3, 4 and 5 symbols. The J returns 0.50, 5 and 12.50 times your stake. The Q pays 0.50, 5 and 15 times the stake. The K card returns 0.80, 6 and 20 times your stake when you land 3, 4 and 5 symbols. The A grants wins of 0.80, 6 and 25 the stake.

The premiums pay for 2 to 5 of a kind on a line. They include a potion bottle with an eye that worth 0.20, 1, 7 and 50x stake for 2, 3, 4 and 5 on a line. The green butterfly gives you 0.30, 1.20, 7.50 and 75 times the stake for 2 to 5 on a pay-line.

The goat skull has a value of 0.40, 1.40, 8 and 100 times the stake. The cat pays 0.50, 1.60, 9 and 150 times your stake. The most valuable symbol is the mysterious woman face. Landing 2, 3, 4 and 5 of this symbols pays 1, 2, 10 and 500 times the stake.

The book with the pentagram on its cover is the double symbol playing for a scatter and a wild. It substitutes for all others and triggers the free games. This is a paying symbol as well and 2, 3, 4 and 5 of it return as much as the mysterious woman – 1, 2, 10 and 500 times your stake.

To get wins you need 2 of the premiums and 3 or more of the same symbols on any of the pay-lines. There are 10 pay-lines in the default 3 Shadow Rows. When you have 4 activated shadow rows, you can win from 5 more fixed pay-lines -15 in total and 5 more for 5 shadow rows- 20. Overall, depending on the number of Shadow Rows, you can play with 10, 15 or 20 pay-lines. Winning combinations have to appear left to right on an activated line.

Book of Shadows Features / Bonuses

There are a lot of bonus features in the Book of Shadows. The Shadow Rows feature lets you add extra rows and pay-lines to the default ones. These are 3 but you can activate 4 and 5 rows. The pay-lines number increase with them adding 5 more for each additional row. The options are:

the 3 Shadow Rows and 5 reels default mode has 10 pay-lines with an RTP of 96.01%;

adding 4 Shadow Rows to the 5 reels gives you 15 lines to win from and has an RTP of 96.07%;

the fully expanded to 5 Shadow Rows with 5 reels grid has 20 pay-lines and an RTP of 96.19%;

To add and remove rows use the upper arrow on the top and middle of the grid.

There is a Lucky Locks feature that lets you lock certain reels and spin the others with an adjusted bet. Using this feature, you can lock up to 4 reels. When there are no chances for wins, you won’t be able to use the locking. You can see the adjusted bet next to the lock. The Lucky Locks feature has a return to player rate of 96.10%. Optimal chances to benefit from the feature gives you locking 2 scatters as you can activate the 3rd one. Two is the maximal number of reels with scatters you are allowed to lock. Changing the bet disables the Lucky Locks.

Landing 3 or more Book of Shadow symbols on a spin triggers the Free Spins. You will win 10 of them and if you have changed the number of Shadow Rows, the number of the free spins you get also changes. The possible options are:

Free Spins triggered with 3 Shadow Rows – you win between 6 and 10 Free Games;

Free Spins triggered with 4 Shadow Rows – you win between 8 and 12 Free Games;

Free Spins triggered with 5 Shadow Rows – you win between 10 and 14 Free Games;

During the free spins as well as in the base game, the Book of Shadow symbol plays as a scatter and wild at the same time. Before the free games start, you will have a random symbol chosen to be the Golden symbol. You have the opportunity to get another try and reshuffle the symbols once for another Golden symbol. If you don’t like the symbol and it is not one of the 5 premiums, the best you can do use this option to reshuffle them again. If you got a premium as the Golden symbol, use it for the free games.

Every time the Golden symbol lands, it expands and covers its reel fully up to all activated rows on it. This grants extra wins according to the pay-table and pay-lines. The Lucky Lock feature is deactivated during free spins. You can retrigger the free games with 3 or more Book of Shadow symbols landed on a free spin.

After wins up to 60 times your bet with 3, 4 or 5 Shadow Rows and no Lucky Locks, you can choose the Gamble Wheel of Bonus. It lets you win the Free Spins activation. This option may be disabled in some jurisdictions. You can win 10 Free Spins from the wheel. They will play with the same number of active rows you played in the main game. You win when the arrow stops in the coloured area.

Every time you win, you can take part in another gamble – the 50/50 card gamble. Winning by guessing the card colour multiplies by 2 your payouts, while losing takes them. You can try to guess the colour of the face-down card and double your wins up to 5 times in a row. The maximal amount you can increase your winnings from the 50/50 feature is €500,000.

Finally, the last extra in the game is the Nolimit Bonus, which is a Free Spins buy feature. You can get instant access to the free games for a fixed price as follows:

Buy the Free Spins with 3 Shadow Rows for 60 times your bet and a maximal bet of €100 – the RTP is 96.20%;

Buy the Free Spins with 4 Shadow Rows for 90 times your bet and a maximal bet of €100 – the RTP is 96.29%;

Buy the Free Spins with 5 Shadow Rows for 120 times your bet and a maximal bet of €80 – the RTP is 96.43 %;

The Nolimit Bonus is not available for UK players. Using the Feature Buy deactivates the Lucky Locks and Shadow Rows alterations.

The Conclusion

Book of Shadows includes expanding symbols during the free spin. There are options to lock reels, activate Shadow Rows and play on a 5×5 grid. You can also take part in a spin and a card gamble for a chance to activate the free games or double your wins.

The RTP of each feature and modifier in the slot differs. Use the modifiers you like the adjust the game to your preferences. If you are keen on the horror theme and want to have the freedom to activate and deactivate features, go ahead. Play and have good luck!

Book of Shadows Theme

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Casino review by


Date: 27 January,2021

Hey there, I'm George, an old-school slots enthusiast and gambling expert. I've been passionate about slots, poker, and online casinos for years, and I love sharing my knowledge with others. Whether you're a seasoned player or just starting out, I'm here to help you with any gambling-related questions you may have. So, feel free to reach out to me anytime!