Book of Eye

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Rules and Gameplay

The Book of Eye slot machine by Onlyplay offers an adventurous journey through ancient Egypt, where players encounter Egyptian gods on a quest for treasure. The game is structured around 5 reels and 10 paylines, allowing players to place bets ranging from $1 to $50 per spin. Compatible across all devices, this game is designed for both novice and seasoned slot enthusiasts. The RTP stands at 95.55%, indicating the game’s return-to-player rate, and it’s known for its high volatility, suggesting that payouts can be significant but may occur less frequently.

Bonus Features

Book of Eye incorporates an array of bonus features to enhance the gaming experience:

  • Expanding Symbols – Symbols expand to cover reels, potentially leading to bigger wins.
  • FreeSpins – Players can trigger free spins, providing more chances to win without additional bets.
  • Multiplier – Wins can be multiplied, increasing the payout amount.
  • Respins – Offers additional spins without deducting from the player’s balance.
  • Sticky Wilds – Wild symbols stay in place for several spins, increasing the chance of hitting a winning combination.
  • Buy Free Spins – Players have the option to purchase free spins directly, offering a shortcut to the bonus rounds.

These features not only add to the excitement but also provide various ways to achieve substantial payouts.


The symbols in the Book of Eye slot are deeply rooted in the theme of Ancient Egypt, featuring gods, pyramids, and the mystical Book itself. Key symbols include:

  • Anubis – The god of the afterlife, often bringing higher payouts.
  • Pyramid – Represents scatter symbols that can trigger bonus features.
  • Book – Acts as both a wild and scatter, substituting for other symbols and triggering free spins.

Each symbol is intricately designed to fit the theme, enhancing the immersive experience of ancient Egyptian mythology.


The game features 10 paylines, providing various ways to win. Paylines are fixed, meaning all are active during each spin, maximizing the chances of winning combinations. The design of the paylines complements the game’s mechanics, ensuring that every spin offers the potential for excitement and substantial rewards.

Pros & Cons

Pros Cons
High maximum payout of x55000 High volatility might deter some players
Wide range of bonus features including Free Spins, Multipliers, and Sticky Wilds RTP of 95.55% is slightly below industry average
Engaging Ancient Egypt theme with high-quality graphics Minimum bet of $1 may be high for players on a tight budget

Minimum and Maximum Bet

The Book of Eye slot game accommodates a wide range of players with its betting options, setting the minimum bet at $1 and the maximum bet at $50 per spin. This range allows both casual players and high rollers to enjoy the game, tailoring the betting amount to their individual preferences and bankroll management strategies.

Game Jackpot

The jackpot in the Book of Eye slot can reach up to x55000 the player’s bet, offering the chance for substantial winnings. The game operates with a high variance, meaning that while wins may be less frequent, they can be significantly larger when they occur. Additionally, the RTP (Return to Player) of this game is set at 95.55%, providing a decent return over the long term.

About Provider

Onlyplay, established in 2007, has become renowned for its focus on instant win games and innovative slot machines. The developer is celebrated for its unique game mechanics, engaging themes, and high-quality graphics. Their portfolio includes a variety of games that cater to different player preferences, making them a popular choice among online casinos. With a commitment to excellence and a passion for gaming, Onlyplay continues to make waves in the online gaming industry.

How To Play

  • Select your bet size using the +/- buttons, choosing anywhere from $1 to $50 per spin.
  • Press the spin button to start the game. The reels will spin and then come to a stop, displaying the outcome.
  • If you land on a combination of symbols that match the paylines, you will receive your payout according to the paytable.
  • Look out for special symbols like the Book (acts as both wild and scatter) to trigger bonus features such as Free Spins or Expanding Symbols.
  • Take advantage of the Buy Free Spins feature if you wish to directly enter the bonus round at a certain cost.
  • Adjust your strategy and bet size as needed based on the game’s progress and your bankroll.


The Book of Eye slot offers an engaging experience with its Ancient Egypt theme, high-quality graphics, and a plethora of bonus features designed to increase winning potential. With a generous maximum payout, a broad betting range, and the excitement of high volatility gameplay, it appeals to a wide audience of players. Despite the RTP being slightly below the industry average, the game’s overall offering, including its immersive storyline and innovative gameplay mechanics, makes it a must-try for enthusiasts of online slots. Onlyplay has once again demonstrated their prowess in creating captivating games that stand out in the crowded market of online slots.