Book of 99 Slot: Review and Play Online

The Book of 99 is a slot title crafted by Relax Gaming and launched on May 4, 2021. This HTML5 game is optimized for both mobile and desktop experiences. The game features 10 paylines over 5 reels, all wrapped in an ancient Greek motif. Its visually captivating symbols, engaging graphics, and outstanding sound effects create an immersive gambling atmosphere.

Moreover, you can trigger the free spins in two distinct manners. Regardless of the method you use to enter this round, you'll have the opportunity to enhance your winning potential with the expanding symbol feature. In addition, Relax Gaming offers an impressive return to player (RTP) rate of 99% and a potential maximum win of up to 12,075 times your wager.

Relax Gaming integrates excellent free spins features into Book of 99, with two unique paths to access it for bigger payouts. All in all, Book of 99 stands out as a fantastic online slot loaded with charming features, promising a great gaming experience.

Game Symbols

Set in a backdrop of ancient Greek mythology, Book of 99 features thematic symbols. The lower-value symbols are represented by royal playing cards ranging from 10 to Ace, adorned with gemstones. Meanwhile, the higher-value symbols include the Lamia, a cyclops, a heroine, and a hero.

Bonus Rounds & Free Spins

You can initiate the free spins round in two ways. The first option is to land 3 book symbols on the reels, which grants 10 free spins. During this feature, a randomly selected symbol becomes an expanding character, filling up all reels and paying like a scatter symbol. You can trigger this round again by landing 3 additional wild symbols.

The alternative method for activating free spins involves a collection mechanism. Each time a wild symbol appears, the collection meter to the left progresses. Upon collecting 99 wilds, the free spins round will commence, with a random symbol transforming into the expanding character. After the spins conclude, the meter resets.

While Relax Gaming has designed an entertaining game with an ancient theme, there are some areas where it falls short. Here’s where Book of 99 excels and where it doesn’t:

What really sets Book of 99 apart is its high RTP, which is quite rare in the gaming industry. The game also showcases striking visuals and audio that enhance its bonus features, making it an excellent choice for fans of ancient-themed slots.