Book of Slingo

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  • Non-stop action and win opportunities.
  • Detailed guide and game instructions.
  • Above average RTP rate in regular play.
  • Could lead to sensory overload.
  • Not suited to short bursts of play.

Book of Slingo is an online slot developed by Slingo Originals. This video slot-bingo hybrid game has 10 slot win lines & 12 SLINGO win lines, a return to player rate of 96.37%, and a medium-high volatility level. Extra spins are available as a bonus feature.


Whether you are already a fan of this bingo-slot hybrid model, or completely new to it, there’s definitely plenty of fun to be had in this interesting version of Slingo Originals free slots. Here players step into the ever popular world of the ancient Egyptians, but thankfully the familiar visuals are the only thing Book of Slingo has in common with other slots adopting this theme.

It’s gorgeous to look at, jammed with opportunities to bag some free mode credits, and generally a whole lot of fun so buckle up and enjoy the adventure ahead.

Graphics & Soundtrack 

Book of Slingo’s backdrop scene is right on topic, with statues of Egyptian Gods guarding either side of the reels. Each has a fire burning, perhaps as extra protection for the stone entrance way that displays the game symbols. 

The reels are bigger than the average video slot, easily filling two-thirds of the screen. In the space around it a sandstorm is brewing, and the palm trees are bending in surrender.

As the reels look nothing like standard video slots you’ll see a lot more symbols than usual. These are a mix of regular and special icons, including images of three Egyptian Gods. 

Look out for:

Horus, the man with a falcon head, Sobek, the man with a crocodile head, Anubis, the man with a jackal head, a red & gold book, Eye of Horus, and the usual number/playing card letters low-payers.

In addition, there are special feature symbols which are marked as wild, super wild, free spin or X.

Book of Slingo opens to what sounds like a typical snake charmer tune, which fades in and out during play and each time you win something.

Book of Slingo

Book of Slingo RTP and Variance

This innovative slot offers players a 96.37% return to player rate and amedium-high variance leve. Subsequent extra spins have an RTP of 95.28%.

How to Play Book of Slingo

This isn’t anything like playing a standard slot, so be prepared to just get started, and learn more as you play and gain experience. However, to start you off here’s a brief guide to how things work.

  1. Slingos are like full lines marked off on a bingo grid. Your main aim in the game is to climb the Slingo ladder to the top rung - which represents the maximum of 11 Slingos.
  2. The game’s symbols appear on the 5 x 5 grid, while the images generated by a reel spin appear in the 5 blank squares directly underneath the grid. Once you spin the board takes over, so just sit back and enjoy all the action, but first remember to set your fun bet size via the money symbol.
  3. At times during play you need to make instant decisions about your next move. Sometimes there will be a prompt on screen to guide you, sometimes not. In the bonus information section there are more details on this.
  4. On the left side of the grid you’ll see the Slingo level chart, which is a fun reminder of your progress through the game.
  5. The cog icon lets players loose with the sound controls, while the "?" serves up a really useful guide to the game.

Bet Sizes & Paytable Wins 

It’s always good for players to have a decent range of bet sizes to choose from, as that opens the game to everyone. In Book of Slingo the minimum bet cost is 0.10, rising to a maximum wager of 100 credits. There are 8 pre-set levels between these extremes, so it’s fairly flexible.

Paytable data

Some symbols payout for 2-5 matches, others for 3-5. The exception is the red book scatter, which only carries a credit award for 5 matches. (These figures refer to fun mode awards.)

5x red & gold books pay 50x your wager 

5x Eye of Horus symbols pay 50x

5x Anubis symbols pay 20x

5x Sobek & Horus symbols pay 7.5x

5x A & K symbols pay 1.5x

5x Q, J, & 10 symbols pay 1x

Book of Slingo Bonus Features 

Red Book bonus

Grab 3+ red book symbols to win some free spins and a random special expanding symbol.

  • 3x book symbols pay 10 free spins and 1 of 9 potential expanders.
  • 4x book symbols pay 15 free spins and 1 of 4 potential higher paying expanders.
  • 5x book symbols pay 20 free spins and an Eye of Horus (higher paying) expander.

Buy extra spins

This is an optional buy-in feature, made available after each win. The cost to play depends on the potential winnings on the table, and is displayed in the centre of the spin circle.

The wild - if this shows on your spin images you can mark off any number from the column directly above it.

The Free Spin symbol - this gets you one extra turn.

The super wild awards one strike on any square.

The red X is a blocking icon.

Book of Slingo Review

This is a stunning slot to play, but being a bit complicated it can take a few spins to figure it out. Book of Slingo is a popular example of free play slots. However, if you switch to wagering real cash always look at the site for help setting safe boundaries.

Have yourself another visit to Egypt by playing Book of Dead slot. This game stars the famous adventurer Rich Wilde, with features like free spins and a x5000 coin multiplier!

Disclaimer: Book of Slingo trademark / license is owned by Slingo Originals. This site is not endorsed by Slingo Originals.

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Book of Slingo
Software: Slingo Originals
RTP: 96.38%
Paylines: 12
Reels: 5
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £100 (GBP)
Top Win: 500
Features: Wild Symbol, Scatter Symbol, Free Spins, 5 Reels
UK Available in GB? Yes. Slingo Originals have a UKGC license and are allowed to offer their games at UK licensed casinos.


What is the RTP of Book of Slingo?

The return to player rate is 96.37%.

How volatile is Book of Slingo?

This slot has an official volatility level of medium to high.

What is the biggest win available on Book of Slingo?

The huge amount of potential outcomes makes that a difficult question to answer.

Book of Slingo have a free spins bonus round?

Yes, and it’s activated by grabbing at least three red book symbols in one spin.

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