Book of 99

Book of 99

Book of 99 is a high-RTP Ancient Greek mythology-themed book slot from Relax Gaming featuring a unique collection mechanic. The game offers 10 paylines and a maximum win potential of up to 12,075x the stake.

How to Play Book of 99

Book of 99 features a 5x3 grid with 10 fixed paylines where wins are paid from left to right. The Book symbol serves as both wild and scatter. Landing 3 or more Books triggers free spins with a randomly selected expanding symbol. Additionally, every Book collected in the base game contributes to a meter that awards free spins upon reaching 99 collected Books.

Book of 99 Theme & Graphics

Book of 99 immerses players in the world of Ancient Greece with majestic temples, mythological symbols, and epic visuals. High-quality graphics and atmospheric sound design create an engaging and mystical experience centered around legendary Greek lore.

Book of 99 Slot Features

Book Wild and Scatter Expanding Symbol Collection Meter Free Spins Trigger

Book of 99 Bonus Features

Free Spins Feature

Landing 3 or more Book symbols triggers the feature 10 free spins awarded A special symbol is randomly selected to expand across the entire reel Expanding symbol pays across all paylines Collection meter reaching 99 Books also triggers free spins

Book of 99 Buy Options

Bonus Buy available on supported platforms Instantly triggers the Free Spins feature All core mechanics remain active

Book of 99 Betting, RTP & Max Win

According to Roobet Casino Book of 99 offers the following to players: