Game Overview

Book of 99, released by Relax Gaming in 2021, is a high-volatility online slot that’s sure to grab your attention, thanks to its astonishing 99% Return to Player (RTP). This game puts a new spin on the classic slot formula, merging legendary Greek tales with innovative features. Game Overview Reels and Paylines With a familiar 5-reel, 3-row setup and 10 fixed paylines, you’ll find it easy to get stuck in. Betting Range Whether you fancy a flutter or want to go big, there’s a wager for every pocket, letting you play from €0.10 up to €100 per spin. Theme Book of 99 plunges you right into the heart of Greek mythology, where you’ll encounter epic heroes and mythical creatures alike. Symbols and Payouts Low-Value Symbols These are jewel-encrusted playing card signs from 10 up to Ace. High-Value Symbols Here you’ll spot various Greek heroes and monsters, with the main hero offering the biggest prizes. Wild/Scatter Symbol The Book does double duty; it’s both Wild and Scatter, standing in for other symbols to help you win, and also activating the Free Spins feature when enough show up. Bonus Features Free Spins Land three or more Book symbols on a spin and you’ll pick up 10 free spins.

During these rounds, a random symbol will be chosen as an expanding symbol, stretching out to cover entire reels and paying out on all 10 lines no matter where they land. Collection Feature Each time a Book appears in the base game, it fills up a collection meter. Gather 99 Books and you’ll unlock Free Spins automatically — a handy extra route to the bonus. Volatility and RTP Volatility With its high volatility, Book of 99 is best suited for those who chase bigger wins, though they may not land as often. RTP Boasting a 99% RTP, this slot delivers one of the market’s best returns, making it a top pick for savvy players. Conclusion Book of 99 reimagines the classic slot experience with a unique Greek twist.

Its exceptional RTP, memorable bonus features, and lively mythology theme all help it stand out in Relax Gaming’s line-up.