Book of 99 Slot Review & Free Play
Expert Review: Vlad Stanescu's Verdict & Opinion
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Book of 99 Score by Real Players
Book of 99 Game Details
- Software Relax Gaming
- Release date 2021-05-04
- Slot type
- Theme
- RTP 99%
- Volatility Undisclosed
- Paylines 10
- Reels 5
- Coins range 1-1
- Coins per line 0-10
- Max win per line 50x
- Total max winnings Pending
- Mobile Yes
- Technology
- Free Spins Yes
- Bonus Round No
- Wild Yes
- Multiplier Yes
- Scatter No
- Progressive No
- Adjustable paylines No
- Other features Autoplay Wild +3
Ways to Win on Book of 99 - Paytable & Paylines
USD | Symbol | 1x | 2x | 3x | 4x | 5x |
|---|---|---|---|---|---|
 | - | $0.1 | $1 | $10 | $50 |
 | - | $0.05 | $0.4 | $4 | $20 |
 | - | $0.05 | $0.3 | $1 | $7.5 |
 | - | $0.05 | $0.3 | $1 | $7.5 |
 | - | - | $0.05 | $0.4 | $1.5 |
 | - | - | $0.05 | $0.4 | $1.5 |
 | - | - | $0.05 | $0.25 | $1 |
 | - | - | $0.05 | $0.25 | $1 |
 | - | - | $0.05 | $0.25 | $1 |
Wild 
Book of 99 Paylines
Book of 99 RTP & Volatility
Book of 99 RTP Compared to the Market i
Book of 99 Slot Features
Book of 99 Expanding Wilds Feature
Book of 99 Free Spins Feature
Book of 99 Wild Feature
How To Play Book of 99
Slot overview
Book of 99 Slot Review
There have been a fair amount of Greek mythology slots over the years but Relax Gaming`s Book of 99 slot machine has added a fresh take on the theme. Moreover, this 5x3 slot with 10 pay lines offers almost cartoon-like and aesthetically pleasing graphics. The higher paying symbols are a cyclops, a male warrior, a woman, and what we could assume to be a harpy.
Relax Gaming slots development team has certainly created a fun game with many special features that pay decent rewards. Most importantly, the RTP is a whopping 99% which is far above the industry average of 96%. And, while the variance may be high there are other features such as wilds, free spins, an expanding symbol, and a collection feature. Landing 5 warriors at max bet could see wins of 50000 coins!
Since 2010 Relax Gaming has been offering free online slot machines to play for fun as well as real money slots. These slots are high-quality, well animated, and offer some of the most exciting features available. To try some of the 3D slots we have for fun we recommend Beast Mode and Space Miners.
How to Play Book of 99 Slot
You play Book of 99 on 5 reels and 3 rows. There is also a collection meter to the left of the grid that fills every time a Book tile lands anywhere on the reels. We can find most of the controls for this slot to the right of the reels except for the balances. Your credits are located at the bottom left of the reels, followed by the last win amount and then the current bet.
Next, you might want to change your current bet, we can do this via the button with the stack of coins. Here you can select a stake from as little as 0.10 to as high as 100.00 per spin. Thereafter, is the spin button, to play at a faster than normal speed, players can opt to slam stop or use the fast play button, with a lightning symbol.
For players who prefer to sit back and relax, there is the auto-play feature below the spin button. Enabling this feature will allow players to pre-select up to 1000 spins and put in place a stop or win limiter. Finally, there is the menu icon at the bottom right of the screen. The menu provides information about the paytable, win lines, special symbols, and free spins.
Game Features
- Wild symbol: The wild symbol, like any other slot game, can substitute for all symbols except the expanding symbol. Furthermore, the wild symbol can activate the free spin feature and land anywhere on the grid to provide a bigger chance to achieve the free spin.
- Free spin: To activate the free spin feature 3 or more wild symbols must land on the grid. When the feature activates, it will choose a random symbol to transform into an expanding symbol. Additionally, this expanding symbol will only be available within the free spin feature.
- Expanding symbol: This symbol will only be available within the free spin feature. When the free spin feature starts, it will choose a random symbol and transform it into the expanding symbol. The expanding symbol will cover over a reel when there is a winning pay line available. However, the expanding symbol will stop working when the free spin feature ends.
- Collection: The collection feature is a special feature within the Book of 99 slot machine. When a wild symbol lands it will increase the meter by 1 every time. Furthermore, when the meter hits 99, it will activate a free spin feature. This free spin feature will only have 1 thing that makes it special, and that is increasing the bet without paying for it.
Play Book of 99 for Real Money
Book of 99 takes you back to the ancient Greek days and allows the player to marvel at mystical creatures. Wilds and free spins will keep players in the black while delivering an impressive RTP of 99%. This highly entertaining slot is playable from our very best online money casinos. Here, you can make a deposit to play on real money slot machines.
Play Book of 99 on Mobile
Book of 99 is available across most mobile devices players may have. This includes laptops, mobile phones, and tablets. In addition, Relax Gaming`s slots also support Windows, Android, and iOS devices, thanks to the developers implementing HTML5 software. Visit our carefully selected mobile casinos to play free phone slots or mobile slots that pay real money.
Compare Book of 99 with Other Games
