Book of Secrets Extra

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Rules and Gameplay

Embark on an adventurous journey through the sands of time in Book of Secrets Extra a slot game developed by SYNOT. This game transports players to ancient Egypt, featuring a 5×3 reel layout and 10 paylines. Bets range from $0.10 to $20, making it accessible for casual gamers and high rollers alike. The objective is to land matching symbols across the paylines, with a special emphasis on the elusive book symbol that triggers free spins. The game is designed with a medium-high variance, promising a blend of regular and significant wins, complemented by an engaging ancient Egyptian theme.

Bonus Features

Book of Secrets Extra is packed with enticing bonus features to enhance your gaming experience:

  • Free Spins: Landing 3 scatter symbols activates 10 free spins, with a special expanding symbol selected at random to increase winning potentials.
  • Gamble Feature: After any win, players have the option to gamble their winnings, with a chance to double their payout by correctly guessing the color of the next card.
  • Buy Feature: Players can directly buy into the free spins round for 100x their stake, bypassing the need to land scatter symbols, though this feature is restricted in certain jurisdictions.


The symbols of Book of Secrets Extra draw heavily from ancient Egyptian mythology and archaeology, creating a rich tapestry of visuals:

  • High-Paying Symbols: The brave archaeologist, Pharaoh masks, green scarabs, and ankh crosses lead the way in rewards.
  • Low-Paying Symbols: Classic A, K, Q, J, and 10 playing cards are stylized to fit the theme.
  • Special Symbols: The Book of Secrets acts as both wild and scatter, offering payouts and triggering the main bonus feature.


Payouts in Book of Secrets Extra are structured to reward daring adventurers:

Symbol 3x Payout 4x Payout 5x Payout
Archaeologist 1x 10x 500x
Pharaoh Mask 0.5x 4x 200x
Book of Secrets (Scatter) 2x 20x 200x


Book of Secrets Extra boasts 10 paylines, providing ample opportunities for players to land winning combinations across the reels. The game is designed to reward combinations of three or more matching symbols from left to right, with the scatter symbol acting as a key to unlocking bonus features regardless of its position on the reels.

Pros & Cons

Pros Cons
Engaging Ancient Egyptian theme Buy Feature not available in all jurisdictions
Variety of bonus features including free spins, gamble feature, and expanding symbols High volatility may not suit all players
Playable on all devices with bets ranging from $0.10 to $20 Max win of 500x might be lower compared to other slots

Minimum and Maximum Bet

The Book of Secrets Extra slot caters to a wide range of players with its inclusive betting range. Players can start spinning the reels with a minimum bet of $0.10, making it accessible for those on a tighter budget. On the other end of the spectrum, high rollers can increase the stakes up to a maximum bet of $20 per spin. This range ensures that both casual players and those looking to make larger bets can enjoy the game according to their individual preferences and bankroll sizes.

Game Jackpot

The Book of Secrets Extra slot offers a maximum win potential of 500 times the player’s stake, creating an exciting target for players chasing big wins. This is coupled with a medium-high volatility rating, indicating that while wins may be less frequent, they have the potential to be significant when they do occur. The game also boasts an RTP (Return to Player) rate of 96%, which is considered about average in the online slot world, giving players a fair chance at returns over time.

About Provider

SYNOT is the visionary developer behind Book of Secrets Extra continuing its tradition of crafting engaging and immersive slot experiences. Known for its dedication to innovation and quality, SYNOT has established itself as a reputable name in the casino game development industry. With a portfolio that spans a wide range of themes and gameplay styles, SYNOT consistently delivers games that captivate players with their graphics, features, and mechanics. Book of Secrets Extra is a testament to SYNOT’s expertise in creating slots that not only entertain but also provide players with a genuine chance for substantial wins.

How To Play

  • Start by launching the Book of Secrets Extra slot on your preferred device.
  • Adjust your bet size using the “+” and “-” buttons to increase or decrease your wager per spin. Bets can range from $0.10 to $20.
  • Review the paytable and game rules by accessing the game menu. This will provide insights into the symbol values, payline information, and bonus features.
  • Once you have set your bet, press the spin button to start the game. Winning combinations and any applicable bonus features will play out automatically.
  • For a chance to increase your winnings, take advantage of the gamble feature whenever you land a win. This gives you the opportunity to double your payout by guessing the color of the next card.
  • Keep an eye out for the scatter symbols. Landing three or more will trigger the free spins feature, where a randomly selected symbol can expand across the reels for bigger wins.


Book of Secrets Extra offers a compelling blend of captivating themes, engaging gameplay, and rewarding bonus features. Whether you are a fan of ancient Egyptian lore or simply seeking a slot game that promises a variety of ways to win, this SYNOT creation is worth exploring. With its accessible betting range, medium-high volatility, and an RTP that ensures a fair gaming experience, Book of Secrets Extra is poised to provide hours of entertainment and the thrill of the chase for that elusive big win. Step into the shoes of an intrepid archaeologist and uncover the treasures that await within the “Book of Secrets Extra.”