Book of 99 Slot Review
Book of 99 is a Relax Gaming slot with a stated RTP of 99%, high volatility and a maximum win of 12,075x the bet. The game uses a 5×3 grid, and you can try the Book of 99 slot free in demo mode with virtual credits.
Book of 99 overview
Book of 99 is a slot by Relax Gaming, presented with a 99% stated RTP and high volatility. Its listed maximum win is 12,075x the bet. These figures describe the game data available for this version; RTP can differ between casino versions, so check the in-game information screen before playing.
The game has a 5×3 grid. The database does not list a jackpot, lines or ways, or any additional grid details. The maximum and minimum bet range is supplied as 0.1 to 100 per spin.
| Specification | Details |
|---|---|
| Provider | Relax Gaming |
| RTP | 99% stated RTP |
| Volatility | High |
| Max win | 12,075x the bet |
| Grid | 5×3 |
| Lines/ways | Not listed |
| Minimum bet | 0.1 per spin |
| Maximum bet | 100 per spin |
| Bonus buy | No |
| Jackpot | Not listed |
How to play Book of 99
Book of 99 is played by selecting a stake within the listed range and starting a spin on the 5×3 grid. The paytable and in-game information screen provide the authoritative details for symbols, payouts and the applicable RTP version.
Before playing:
- Check the RTP version in the game information.
- Set a budget for your session.
- Try the demo first to understand the game without using real money.
The high-volatility rating is an important comparison point. It describes the game’s volatility classification, but it does not change the fixed maximum win listed above or guarantee any particular result.
Book of 99 features and bonus rounds
The supplied game data identifies Free Spins and Expanding Symbols as feature categories for the page. It does not provide the exact trigger conditions, symbol expansion rules or bonus-round payout details. For those specifics, review the in-game paytable before starting.
Free Spins
Free Spins are listed as a relevant feature category for Book of 99, but the available data does not state how they are triggered or how many spins can be awarded. The game’s paytable and information screen should be used for the complete rules. You can also read what free Spins means in the slot glossary.
Expanding Symbols
Expanding Symbols are also identified in the supplied feature data. The exact symbols involved and the effect on winning combinations are not listed here, so check the paytable for the game-specific explanation. For more examples of this feature type, see more slots with Expanding Symbols.
Book of 99 does not offer a bonus buy option. Any other bonus feature details, including trigger requirements, are not listed in the available data.
Book of 99 RTP, volatility and max win
Book of 99 has a stated RTP of 99%. RTP is a long-term theoretical percentage, not a prediction of the result of an individual spin. Different casino versions can use different RTP settings, making the in-game information screen the best place to confirm the active version.
The slot is rated high volatility. This is useful when comparing its listed risk profile with other games, but it cannot indicate when a feature or win will occur. The maximum win is 12,075x the bet. This is the highest win figure supplied for the game and should not be treated as a promise or expected outcome.
The available data does not list a jackpot, lines or ways, or further bet-limit variations beyond the range of 0.1 to 100 per spin.
Book of 99 free demo
You can play Book of 99 in demo mode using virtual credits, with no deposit or sign-up needed. The demo is a way to review the 5×3 grid, inspect the paytable and familiarise yourself with the available information before deciding whether the game suits your preferences.
Demo play does not use real money. It also does not change the game’s stated RTP, high-volatility classification or 12,075x maximum-win listing. For additional titles from the same developer, browse Relax Gaming Slots.
Games similar to Book of 99
The supplied data does not name specific games that are direct alternatives to Book of 99. You can compare it with other catalogue entries by provider, theme or feature. For a theme-based starting point, browse more mythology Slots or Ancient Civilization Slots.
Feature-focused comparisons are also available through Slots with Free Spins. When comparing games, check each title’s own RTP, volatility, maximum win, grid and bet information rather than assuming that the specifications are shared.
FAQ
What is the RTP of Book of 99?
Book of 99 by Relax Gaming has a stated RTP of 99%. Some casino versions use other RTP settings, so check the in-game information screen.
Is Book of 99 high volatility?
Yes. Book of 99 is rated high volatility.
What is the max win in Book of 99?
The maximum win is 12,075x the bet. For another feature-led title to compare, see Hercules Unleashed Dream Drop.
Does Book of 99 have a bonus buy?
No. Book of 99 does not offer a bonus buy option.
What are the minimum and maximum bets in Book of 99?
The listed bets range from 0.1 to 100 per spin.
Who made Book of 99?
Book of 99 was developed by Relax Gaming. You can explore more Relax Gaming titles in the provider catalogue.
Can I play Book of 99 for free?
Yes. This page offers Book of 99 in demo mode with virtual credits, with no deposit or sign-up needed.
18+ only. Play responsibly; demos use virtual credits and no real money.