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Play Book of 99 Slot

Book of 99
Min spin
Max spin
Volatility
Volatility
Very High

Book of 99 is a high-volatility online slot by developer Relax Gaming. Its playing field, a five-reel, three-row grid, is home to a series of heroes and villains that evoke the Ancient Greece theme, to which the epic soundtrack and predominance of gold contribute.

Book of 99 has 10 fixed winlines and an RTP of 99% to match its title!

Ready for a blast from the past? Step into ancient times with Relax Gaming's Book of 99 slot!

Bonus Features

The free spins round in Book of 99 is triggered by landing three or more book symbols. You’ll get 10 spins which can be retriggered if you land three or more books! Before the feature begins, the game will pick a random expanding symbol that will cover its reel after each win!

Keep an eye out for the meter on the left side of the screen – it counts how many wilds you land and will award you 10 free spins if you collect 99 of them!

Play Book of 99 for epic wins!

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