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Game ID: reg_book_of_99 • Released: 2021-05-04
RTP
99.00%
Estimated long-run return
Volatility
★★★★★3/5
How big the swings can get
Features
In-game Freespins
Main feature set
Max Win
12,075x
Top prize potential
A simple way to learn the game
The vibe, the pacing, and what to watch for
Book of 99 is a Video Slots game by Relax Gaming. Use this guide to get the key numbers and learn which features can turn an average spin into a standout win.
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A few simple signals to stay in control
RTP
At 99.00%, this sits above the ~96% slot baseline for long-run return.
Volatility
Higher volatility usually means fewer wins but bigger spikes.
Bet Sizing
Keep your stake steady while you learn the features.
Max Win
Max win reaches 12,075x, which is notable versus the ~5,000x market midpoint.
Key game details
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