More about Book of 99
Book of 99 is an online slot machine by Relax Gaming with an RTP (Return to Player) of 99%. It is listed in these categories of casino games: Mythology, 5-Reels.
On this page, you can play Book of 99 100% for free. To start playing, just click Play for free and wait for the game to load. We may also ask you to verify your age before playing because local authorities require us to do so.
If you want to play this game for real money, click Play in a casino. You will be taken to the list of best online casinos that offer Book of 99 or other similar casino games in real-money mode. Select the most suitable casino site for you, register your player account, take advantage of a bonus and/or make a deposit, and you are ready to start playing.