Book of 99
Fullscreen: Desktop, Android & IOS
Book of 99: A High-Flying Adventure for Social Casino Players
If you’re a fan of thrilling ancient-themed slots, you’ll want to check out “Book of 99.” This game takes you on a journey to Ancient Greece, where you can explore a 5-reel, 3-row layout with 10 exciting paylines.
What Makes It Special?
“Book of 99” stands out from the crowd with its incredible features. The most talked-about aspect is its high return to player (RTP) rate, which means more chances for you to win! The game offers a fantastic blend of high potential payouts and a unique twist on the classic “Book of” gameplay.
The Wild Collection Mechanic
One of the most engaging parts of this game is the wild collection mechanic. As you play, you’ll notice that the wilds you land are collected in a special meter. Once you’ve collected 99 wilds, you can instantly trigger the bonus round! This adds an extra layer of strategy and excitement to every spin.
Free Spins and Expanding Symbols
When you trigger the bonus round, you’ll be awarded 10 free spins. But that’s not all! A symbol is randomly selected to become a special expanding symbol. This symbol can expand to cover an entire reel, leading to some massive wins!
High-Stakes Fun
With a maximum win of 5,000x your stake, “Book of 99” offers the kind of thrilling, high-potential gameplay that social casino players love. The combination of a unique wild collection feature, a rewarding free spins round, and the chance for huge payouts makes this a must-play game.
Our Verdict
“Book of 99” is a top-tier slot that combines a classic theme with innovative gameplay. The wild collection feature adds a fresh layer of excitement, and the potential for big wins makes every spin feel like an adventure. If you’re looking for a slot with great features and a high-energy experience, give “Book of 99” a spin!
Also read: Highest RTP Slots
Book of 99 is an online slot game developed by Relax Gaming. It features a classic 5-reel, 3-row layout with 10 paylines and an Ancient Greece theme. It’s known for its high return to player (RTP) and a unique wild collection feature.
The game boasts an exceptionally high RTP of 99%. This means that, theoretically, over a very large number of spins, the game is expected to pay back 99% of all wagers. This is significantly higher than the average for most online slots.
Book of 99 has two main features that can trigger the bonus round:
Wild Collection: A meter on the left side of the screen fills up every time a Wild symbol (the Book) lands on the reels. When you collect 99 Wilds, the free spins bonus round is triggered.
Three Scatters: As with many “Book of” games, you can also trigger the free spins by landing three or more Book symbols on the reels in a single spin.
When the bonus round is triggered, you are awarded 10 free spins. Before the spins begin, a symbol is randomly chosen to become the special expanding symbol. If this symbol lands during a free spin, it will expand to cover the entire reel, potentially leading to large payouts.
Yes. If you land three or more Book symbols during the free spins round, you will be awarded an additional 10 free spins. There is no limit to the number of times you can retrigger the feature.
The maximum win is up to 5,000x your stake per spin. This can be achieved by filling the screen with the highest-paying symbol during the free spins feature.
Bet sizes can be adjusted using the plus and minus buttons on the game screen. The range can vary depending on the casino, but typically starts as low as €0.10 and goes up to €100 per spin.
Yes, the game is designed to be fully compatible with all mobile devices, including smartphones and tablets, without the need for any downloads. You can play it directly in your mobile browser.