Book of 99
Huge RTP of 99%
Free spins round with lucrative prizes to be won
May feel overly complex for players who prefer traditional slot games
No progressive jackpot
Relax Gaming is well known for its fast-paced, original online slot machines. So it’ll come as no surprise that this top quality developer has exceeded expectations once again with the release of Book of 99. Designed to compete with other, similarly themed online slots, the game is feature-rich, brilliantly detailed and full of new and exciting ways to win.
There are great opportunities to maximise winnings through the free spins round, and the collection feature is good addition to this highly immersive, entertaining game. Try it out on a desktop or mobile to find out why our team can’t resist this Relax Gaming classic.