Book of 99

Book of 99 is a 5-reel, 3-row video slot from Relax Gaming with 10 paylines.

The slot features the iconic Book symbol, fun bonus games, and the chance to win big!

Play it at Stake Casino!

How to Play Book of 99 & Gameplay

You can play the Ancient Greece-themed slot by Relax Gaming on desktop or mobile at Stake Casino. If you wish to test the waters first, you can load the Book of 99 demo game first at Stake.com. This way, you can explore the free spins bonus, get an understanding of the collection feature, and find the best bet size for when you're playing in your currency of choice.

First time trying Greek-themed online slot games? Check out our handy guides explaining what slot paylines are and how to play slots. You can also get more info on gaming online via the dedicated online casinos guide.

Theme & Graphics

Book of 99 is one of the featured slots at Stake Casino, based on one of the most popular slot themes, Greek mythology, with cascading reels. With its beautiful graphics, theme-related sounds, and special symbol collection, it creates a fun atmosphere with generous payouts.

The reels feature the iconic book symbol you’re familiar with due to other book slots, as well as a random symbol, low-paying symbols, and a range of high-paying symbols. The beautiful graphics and the special feature collection make this Relax Gaming title one of the most exciting options for new and experienced players.

Symbols & Paytable

Before you hit the spin button on Book of 99, it’s important to understand the value of the slot machine symbols to determine the maximum payout of winning combinations. Here’s a quick overview of the slot paytable.

Book of 99 Features & Bonus Games

The Book of 99 online slot comes with a range of bonus features, including wild symbolsand special symbols that can fill an entire reel. Here’s what you can look forward to:

Wild Symbols

The wild symbol is the Book, and it substitutes for all other symbols except the special expanding symbol that appears during the free spins.

Free Spins Feature & Scatter Symbols

The Wild symbol also serves as a scatter symbol that triggers the free spins. Landing 3 or more wild symbols will award 10 free spins. During the free spins, a special expanding symbol is randomly selected. The symbol can expand and pay out on all 10 lines. Take note that the special expanding symbol will pay out on each line, even if the symbols are not connected from left to right.

Collection Feature

Every wild that lands on the reels during the main game will increase the collection meter by 1 step. The free spins are triggered when the collection meter is filled with 99 collected wild symbols. The free spins triggered through collection will be played with the best size corresponding to the average of bet sizes used during the collection phase.

Bet Sizes & Return to Player (RTP)

You can play the Book of 99 slot with a bet amount set between 0.10 and 100.00 per game round. Throughout the gameplay, a random number generator (RNG) ensures outcomes are random and fair.

It is a high volatility slot with a high return-to-player percentage (RTP) of 99%. With a very low house edge of 1.00%.

How to Deposit, Withdraw Funds to Play Slots Online & Bet Responsibly

The Book of 99 slot game can be played at Stake online casino using cryptocurrency or local currency options such as ARS, CLP, CAD, JPY, VND, INR, and TRY. You also have the opportunity to view your balance in various currencies instead of just one. Learn more via our community forum or the dedicated local currency payment guide.

The Book of 99 can also be played with any of our list of available cryptocurrencies. Available options include BTC, ETH, USDT, EOS, Doge, LTC, SOL, TRX, and more. You can buy your chosen crypto via any reliable crypto exchange such as Moonpay or Swapped.com . Need help? Check out our guide for choosing the right coin.

The friendly customer support team is there to assist at any time with anything from understanding Stake and the Blockchain, to providing info on depositing and withdrawing units, or how to store Bitcoin securely.

Use the Stake Vault to store your funds securely and learn more about keeping your funds safe while playing at Stake Casino using the crypto security guide.

Always aim to gamble responsibly and bet within your means. With the monthly budget calculator and betting limit guide, you can work out how much disposable income you can spend playing games online. Use Stake Smart guidelines to learn more about how you can stay in control.

Popular Relax Gaming Slot Games on Stake

Looking for more fun online slots from the same software provider that offers similar features or fun themes like Greek mythology? Below are a couple of high variance slots from Relax Gaming that come highly recommended from fellow Stake players:

1. Helios’ Fury

2. Atlantis Megaways

3. Titan Strike

Always busy exploring new casino games at Stake Casino? Don’t forget to visit the promotions page and grab hold of top casino bonuses to boost your betting experience.

For seasoned players, there are exclusive rewards like rakeback bonuses, reload offers, and a dedicated VIP host. To grab hold of these rewards, join the VIP Club, or for more information, check out the VIP FAQs post.

Game Information