Book of Secrets

Book of Secrets Real Money Slot Review about RTP, Paytable, Casinos and Free Spins

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  • 1150x max win, up to 97% RTP during bonuses is welcoming <liThe artwork, theme soundtrack, and animations are great because it brings immersive gameplay
  • High-volatility though great for high-stake players can be frustrating for others
  • Lack of Progressive Jackpot might bug some

Quick Verdict

Book of Secrets is a thrilling adventure game from Synot Slots. This real money betting game comes with 5 reels, 10 symbols, and a great RTP. Because of this, the odds are great for beginners, especially when it crosses 97%. But, because of 1150x max win potential, it is also lucrative and risky.

As a player, uncover the pharaoh’s tomb with the female protagonist. Yes, it’s dangerous but with high volatility gaming, it is also good for high-roller gamblers.

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Where to play?
Look & Feel
Bonus Features
Book of Secrets RTP
Book of Secrets Paytable
Win Strategies?

Basic Slot Details of Book of Secrets

Release Date:01/02/2018
Book of Secrets RTP:96.05%
Min/Max Bet:0.10/80
Max Win:110.000,00
Theme:Ancient Egypt,
Bonus Features:Gamble, Wilds, Free Spins,
Mobile Compatibility:Yes

Real Money Book of Secrets Slot Casino Sites

Most major online casinos offer the real money Book of Secrets video slot as a standard offering because it is really good. Synot Games is a popular brand and slowly emerging because of which they have partners to distribute the game as well. Below is a list of casino notes that currently offer the Book of Secrets.

First deposit bonus
100% up to £300 + 100 spins
18+ New players only. Cash + bonus amount need to be wagered 35 times.
95 games
5.0 rating
First deposit bonus
Up to £99 + 99 spins
New customers only, Wagering 40x B, 18+ T&C's Apply
58 games
4.3 rating
First deposit bonus
100% up to £300
#AD New players only, min deposit £10, wagering 45x, max bet £5 with bonus funds, 100% up to £100 bonus on 1st deposit, 50% up to £200 on 2nd deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&C's Apply
53 games
4.5 rating

Just type the name of the slot ‘Book of Secrets on your browser and you can get a list of casinos depending on your country or geographical region. This is helpful because this will allow users to deposit and withdraw money in their local currency, using local payment methods. Several sites also allow new players to take advantage of their generous bonuses on first deposits.

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Book of Secrets: Small Intro

The real money Book of Secrets is also a flagship video slot for the next generation of players. It supports all types of devices, including mobile phones with small screens to big desktops with 17-inch monitors.

Synot Games is an online content provider for casinos and develops pure HTML5 games, slots, and tables. They claim 30+ years of experience in the iGaming industry and presence in over 21 countries. Their portfolio includes over 60 games like Reel Hot Respin, Joker 50, Goblinions, and Aladdin & Golden Palace. Their headquarters is located in the Czech Republic. 

Theme & Storyline of Book of Secrets Online Slot

Book of Secrets Slot Look & Feel

The theme and storyline of Synot Games new slot revolve around the pharos, the land of pyramids, and treasures of the desert sand. Because of this, there is mysticism and adventure, there is drama and danger. With the real money Book of Secrets slot game, players will not just enjoy risking their lives but also have fun and entertainment. As the RTP crosses the 97% mark, the storyline brings twists and turns with random symbols and bonus games.

Graphics, Sounds & Animation

The iconic theme music instantly reminds us of countless movies in this genre, i.e. Indiana Jones and Lara Croft Tomb Raider. The ancient Egypt-themed artwork and 2D-style 3D artwork shine because of rich details, shadows, and highlights.

The soundtrack plays in the background with the shiny polished hall in the backdrop of pyramids and the desert palm trees.

Synot’s Book of Secrets Special Slot Features, Free Spins, Progressive Jackpots Etc

Thus, the land awakens to the sound of the female raider. In the Book of Secrets real money classic adventure, fantastic artwork and animations make the features come to life. Players find it great by just immersing in the iconic theme music, the spinning of reels, and all the video slot’s developers have to offer. Besides the 1150x max win, there are other features like Free Spins, Expanding Symbols that highlight this game.

There are not many features but a handsome tune to which players rise as the game loads. A random symbol dominates by expanding during the spins. To join the fearless archaeologists in the female avatar, play Synot Game’s take on this Egyptian-themed slot.

●      Wild Symbols

As usual, this will substitute all other symbols on the reels except the special expanding symbol. Because of this, it will pay 200x for 5 symbols. If 3 or more of the Book of Secrets Wild symbol appears on the reels, it will trigger 10 Free Spins and, also a Special Expanding Symbol. And, these Free Spins can retrigger as many times the special symbol reappears. 

Whenever a Free Spin round begins, any random symbol can become a Special Symbol for that round. After the regular payouts of the wins, the special symbol expands to stick to its position. It stays independent and retriggers only when enough of that special symbol covers the 5×3 grid.

Besides the above rules, the Book of Secrets is a simple game that beginners can enjoy for real money. Because of very high RTP, depending on the casino and feature rounds, it is not frustrating. 

●      Scatter

The Scatter Symbol wins to add to the paylines and only the highest win per payline and per Scatter combination goes to the player. Because there are 10 fixed paylines, the game is easy on bets. Winning combinations are all using the symbols, and the maximum payout, in any case, cannot exceed EUR 110000.00 by official records.

●      Progressive Jackpot

The Book of Secrets video slot does not come with any Progressive Jackpot network from Synot Games. So, the max win is all it has to offer.                      

What are the Book of Secrets RTP & Variance?

Because of the RTP alone, the Book of Secrets real money game has a strong response from players. The RTP of this game varies between 88.38% during regular gameplay to 97.94% during the bonuses and features. The higher is the RTP, the better is the return of a slot – is the general rule of thumb.

RTP is calculated from simulating tens of millions of spins on a computer. Because of this, it gives a mathematical estimate that if a player played that many spins, at the end of all, for every $100 bet, he can win a minimum of $88.38 in return.

What symbols to look out for in the Book of Secrets Paytable?

Locate the Paytable by clicking on the ‘Hamburger’ icon at the bottom-left corner of the screen, which expands to reveal the ‘Trophy’ icon for the Paytable as well as the rules of the games, the features, and more.

The Wild symbol is the Book with the Eye of Horus on it. Landing 5 will reward you with 200x the bet. But, besides these special symbols, regular symbols include the ‘Girl Raider’ for example. It is the Highest-Paying symbol in the Book of Secrets real money game worth 500x for landing 5 symbols. But, it also quickly drops to 100x for 4 symbols, 10x for 3, and 1x for 2. The royals like letters K, A, Q, etc are worth nothing because landing 5 ‘A’ will give you only 15x the bet at stake. The pharaoh’s bust or mask: symbol pays 200x for 5, while the ‘Green Beetle’ rewards just 75x for landing 5 symbols on the reels. 

How to Win/ Strategy for Book of Secrets Online Mobile Slot?

It is best to keep the bet high as long as possible because this allows players to cover the triggering volume of high-rewarding features. In the real money Book of Secrets slot too, there are 3 such Books to uncover.

By forming clusters or combinations of symbols on paylines that pay from left to right, players can win real money. Then, there are Free Spins that push even further the RTP to generate bigger rewards. Female Archaeologists are the highest symbol because it pays 500x per 5 symbols.

Because of high volatility, devising winning strategies is a little difficult but the high hit rate of 28.97% means that the game is great and generous for players. It promises a good return value. So, keep your bets as high as possible till at least 100 spins to reap the best benefits. It might be just possible to win 110000 EUR if you are lucky.

Final Verdict: Book of Secrets Video Slot

Synot Games makes video slots in different genres, but the Book of Secrets real money slot is a classic. Countless movies and media appearances have made it a cult icon and almost everybody loves the theme and storyline to jump into the Wild ride. Because of the RTP of 88.30% to 97.94%, this slot pays real money to both beginners and pro-players. The hit rate is also great at 28.97%, much higher than most slots. And, the max win of 1150x is an added bonus. Because of all these, the Book of Secrets from Sybot Games is a real money deal not worth missing.

Pros & Cons

Just like every other slot, the Book of Secrets despite its merits also has some demerits. 


  • 1150x max win, up to 97% RTP during bonuses is welcoming.
  • The artwork, theme soundtrack, and animations are great because it brings immersive gameplay.


  • High-volatility though great for high-stake players can be frustrating for others.
  • Lack of Progressive Jackpot might bug some.

FAQs: Synot Games’ Book of Secrets Online Slot

  1. Is the Book of Secrets real money slot available for Progressive Jackpot?

No! As per Synot Games’ official portfolio, the video slot does not offer any such jackpot networks.

  1. Can we play the Book of Secrets for free?

Yes! Synot Games and many others allow players to play the free demo via their browsers. So, no need to download or register. However, it won’t allow playing for real money.

  1. What is the Highest-Paying symbol/jackpot in Synot Games’ Book of Secrets slot?

If you are interested in playing this slot for real money, then sadly there is no jackpot. But, the maximum winning potential per spin is up to 1150x with Free Spins and stuff because of which it is very enticing. The Highest-Paying symbol is the female raider because it pays 500x for landing 5 symbols on the reels.

  1. Is the real money Book of Secrets slot mobile-friendly?

Yes! Right out of the box.

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