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Book of 99

Book of 99 video slot logo

The Book of 99 is an online casino game from game provider Relax Gaming. Launched on April 14, 2021, this game is about Odysseus, the Greek creator of the Trojan Horse. After his victory in the Trojan War, he faced many setbacks. In this video slot you browse through his book of adventures and you also come across all the treasures he has collected. Can you score these royal riches from ancient Greece?

Book of 99 slot: introduction

The book style genre once started with the Book of Ra games that kick-started a generation of games. Despite some daring differences, Book of 99 is highly and influenced by the previous video slots versions based on a book.

In this review, we won’t dive into the books, but go deep into the world of Greek mythology by turning the knobs in the hope of discovering treasures that have not yet been found.

Book of 99 video slot screenshot

A screenshot of Book of 99 from Relax Gaming

Book of 99 Slot: How Does It Work?

Book of 99 gained worldwide fame when Relax Gaming announced the Return to Player. A spectacular 99% RTP attracted thousands of gamers from day one after release. But beware: this is also a kind of Trojan Horse trick, because the high percentage is (almost) impossible to achieve and is purely based on theoretical winning chances. This is not to say that you cannot win a lot in Book of 99, because the volatility is very favorable!

Once in the game, you can score a maximum win of x12,075 times your stake on the 5×3 grid. You can play Book of 99 with a minimum bet per spin of $/€ 0.10 cents and a maximum of $/€ 100 per spin to achieve that maximum profit.

This video slot about the ancient Greek civilization has ten paylines and is equipped with HTML5 technology, making it easy to play on your mobile phone.

Play Book of 99 at Skol Casino and claim your welcome bonus!
Skol Casino logo £/$/€1300 + 250 bonus spins
Skol Casino: £/$/€1300 + 250 bonus spins
Deposit bonus
Open an account at Skol Casino and claim a massive £/$/€1300 Welcome Bonus plus 25 Bonus Spins. A minimum deposit of £/$/€10 is required to redeem the bonus. The bonus is distributed as follows:

  • First Deposit: 100% up to £/$/€300 plus 75 spins.
  • Second Deposit: 75% up to £/$/€300 plus 75 spins.
  • Third Deposit: 50% up to £/$/€300 plus 50 spins.
  • Fourth Deposit: 25% up to £/$/€300 plus 25 spins.
  • Fifth Deposit: 100% up to £/$/€100.
T&C Apply

Symbols and symbol value

The great symbol design once again demonstrates Relax Gaming’s artistic prowess, featuring various heroes and villains including a Cyclops, which appears to be prominent in Greek legends and literature.

The Ace, King, Queen, Jack and Ten will earn you a maximum of fifteen times your stake, but that is with a full row of these symbols.

Book of 99 has four main symbols. The male symbols are considered the highest paying symbol. Five main symbols of this heroic Greek man will give you a big win of x500 times your stake!

The woman with purple headdress makes x200 your bet when you spin an entire row of her symbols on the grid. The one-eyed man and the terrifying woman with wings on her head both ensure a payout of up to 75 times the amount invested.

The main symbol is – of course – the book. This symbol represents the scatter and the wild symbol. Both symbols ensure that you can score high winnings.

5

500x

200x

75x

75x

15x

15x

10x

10x

10x

4

100x

40x

10x

10x

4x

4x

2.5x

2.5x

2.5x

3

10x

4x

3x

3x

0.5x

0.5x

0.5x

0.5x

0.5x

2

1x

0.5x

0.5x

0.5x

N/A

N/A

N/A

N/A

N/A

Book of 99: features

Book of 99 may seem like a standard game with a book theme at first glance, but there are a number of aspects that make playing this video slot special. The free spins and book collection features certainly contribute to this, as do the expanding symbols that even give you winnings when they are not adjacent.

Another interesting aspect of Book of 99 is the ‘road map’ to the left of the grid, which is a collection of the number of Wild symbols in your game.

Free Spins
The Free Spins feature can be triggered by spinning three or more Book symbols on the grid. Can you do this? Then you will receive ten free spins!

Game provider Relax Gaming has added expanding symbols to this game that allow you to score free spins. You also end up in the Free Spins mode when spinning three or more scatter symbols.

Book collection
For every Wild (book symbols) collected in Book of 99, one step is added to the meter. Free spins are triggered when the meter is filled with 99 collected symbols.

The amount with which you enter the free spins is determined by the average bet during the collection of the book symbols. You can increase the average a bit by increasing the bet towards the end. This way you have a little control over what the free spins from book collection feature can bring you.

Book of 99 slot: final assessment

NOGP gives this game a rating of 3.5 out of 5. Why? Book of 99 is varied, has high winning odds and is far from standard. For a relatively boring theme such as books, Relax Gaming has managed to create an interesting game. After his Trojan Horse trick, Odysseus would be jealous of the smart features that this video slot offers.

Can you easily activate the free spins feature?

Thanks to the addition of the book collection, you have multiple options to get into the free spins mode. This is therefore easy to activate, although of course you always have to score the necessary symbols and paylines before you can try your luck in the free spins mode.

What is the maximum RTP of Book of 99?

This question is undoubtedly the most talked about part of the game. Relax Gaming sets the theoretical RTP at 99%. This is exceptionally high, but may not be entirely realistic. The actual RTP will often be lower in practice, but is often still (considerably) higher than the market average of 96 percent.

How does the road map on the left side of the game work?

Collect Wild symbols to travel from the bottom to the top. The wild symbols are represented by the book symbol. So turn as many as you can on the grid to complete the journey and go to the free spin game.

Best Relax Gaming Casinos.

Below three top casino platforms where you as iGamers can play Book of 99 with confidence. The online casinos listed below are fully accredited by NOGP and therefore labeled as safe and reliable. When you scroll further you will see the current top three.

  1. Casiqo Casino
  2. Playzee casino
  3. Casimba casino

Best Relax Gaming Casinos

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