Book of 99 Slot: Review and Play Online

Book of 99 is a slot game developed by Relax Gaming on May 4, 2021. As an HTML5 slot, it runs well on both mobile and desktop devices. This game has 10 paylines on its 5 reels with an ancient Greek theme. Its matching symbols, fun graphics, and fantastic audio allow gamblers to get immersed.

Additionally, the free spins feature can start in 2 different ways. Whichever way brings you to this round, you’ll have a chance to increase your winning potential from the expanding symbol. Lastly, Relax Gaming provides players with an above-average return to player (RTP) of 99% and a maximum payout that’s 12,075 times your bet.

Relax Gaming has great free spins features in Book of 99. There are 2 ways to access it for greater wins. Overall, Book of 99 is an amazing online slot with fun features. Expect to have a fun time while playing this game.

Game Symbols

Book of 99 has an ancient Greek theme with matching symbols. The low-value symbols are the royal playing cards 10 through Ace, and they have gemstones embedded in them. At the same time, the high-value symbols are Lamia, the cyclopes, a heroine, and a hero.

Bonus Rounds & Free Spins

There are 2 ways to start the free spins round. The first is to get 3 book symbols to appear on the reels, and you’ll get 10 free spins. During this round, a random character becomes an expanding symbol. When it appears, it’ll expand to fill all of the reels and pay as a scatter would. This round can re-trigger by landing 3 more wild symbols.

The second way to trigger free spins is the collection feature. Every time a wild appears on the reels, the collection meter on the left goes up. Once you have 99 wilds, the free spins round will start. A random symbol becomes an expanding character. Once you finish your spins, the meter will reset.

Relax Gaming has created a fun ancient-themed game, but there are a few disappointing things. Book of 99 succeeds and fails in the following areas:

What makes Book of 99 stands out is its high RTP. It’ll be hard to find a game with a higher rate. Book of 99 also has impressive visuals and audio that go along with its bonus features. This slot is an excellent option if you enjoy ancient-themed games.