Book of Eye is Onlyplay's Egyptian book slot, and it separates itself from the category with a bonus buy option and an unusually high 55,000x max win ceiling. The Book of Eye symbol acts as both Wild and Scatter, free spins carry an expanding symbol mechanic, and a Speed Up Bonus feature lets impatient players skip the base game entirely. High volatility, 95.55% RTP, and 10 paylines define the setup.
What is Book of Eye?
Book of Eye is a 5x3 high-volatility video slot from Onlyplay with a 95.55% RTP and a top win of 55,000x the stake. Its core mechanic is an expanding symbol bonus triggered by the Book of Eye Scatter Wild: landing enough Books awards free spins where a randomly chosen symbol expands to fill entire reels when it contributes to a win.
Onlyplay added two extra features not standard to the book-slot format: a Speed Up Bonus that functions as a direct bonus buy, skipping the base game to enter free spins at a set cost, and a Try a Respin feature that allows individual reel respins for a fee to chase a near-miss win.
Who will enjoy this game the most?
You will probably enjoy this game if you like:
- Egyptian-themed slot fans who want a book-slot format with a higher max win ceiling (55,000x)
- Bonus buy players who want direct access to the free spins round via Speed Up Bonus
- High-volatility players targeting the top prize through expanding symbol free spins
- Crypto players looking for a book slot with wide coin support including BTC, ETH, SOL, and more
- Players who value the Try a Respin option as a tactical tool for near-miss reels
How To Play Book of Eye Slot - Step By Step
Head to Wild.io and create a free account to start playing Book of Eye.
- Set your bet and spin the 5x3 reels. High volatility here means the base game delivers less frequent wins.
- Watch for the Book of Eye symbol. It acts as both a Wild (substituting for all other paying symbols) and a Scatter (triggering the free spins bonus).
- Three or more Book of Eye symbols trigger the free spins round. A random expanding symbol is chosen at the start.
- During free spins, the expanding symbol covers an entire reel when it lands as part of a winning combination, maximizing the payout for that spin.
- Use the Speed Up Bonus feature (bonus buy slots option) to skip the base game and enter the free spins round directly at the displayed cost.
- The Try a Respin feature lets you respin individual reels to complete a near-miss combination, at a cost shown before confirming.
You can also deposit using various supported payment methods.
Book of Eye Slot Theme & Graphics
Book of Eye draws on the standard Egyptian mythology toolkit but uses the Eye of Horus as its central visual motif rather than a generic pharaoh or pyramid. The five high-value symbols are Egyptian deities and mythological creatures: the Egyptian Goddess, the Falcon, Anubis (the black dog of the underworld), Bast (the black cat), and the Book of Eye itself. The Sticky Wild is rendered as a blazing sun, connecting the sun-worship thread of Egyptian religion.
The five low-value symbols use card ranks (Ace through Ten) with Egyptian decorative treatment. The overall palette is deep golds and burnt ochres, and the expand animation for the chosen symbol sweeps across the full reel in a beam effect that reflects the Eye of Horus theme.
Book of Eye Slot Symbols & Paytables
Book of Eye uses ten symbols across two clear tiers, plus two special symbols that drive both the mechanic and the bonus features.
Low Value Symbols
Five low-value symbols use card ranks: Ace, King, Queen, Jack, and Ten, all with Egyptian decorative styling. These land most frequently and form small base-game wins across the 10 paylines. During free spins, any of these can be selected as the expanding symbol, which would expand across full reels even from low-tier symbols.
High Value Symbols
Five high-value symbols are Egyptian mythological figures: the Egyptian Goddess at the top, followed by the Falcon, Anubis the black dog, and Bast the black cat. These form the meaningful base-game line wins, and landing one as the expanding symbol during free spins is the route to the 55,000x max win.
Special Symbols
The Book of Eye symbol serves dual roles: as a Wild it substitutes for all paying symbols on the reels, and as a Scatter it triggers free spins when 3 or more appear anywhere. The Sticky Wild is a blazing sun symbol that locks in place when it lands during free spins. During the free spins round, a randomly selected symbol becomes the expanding symbol, covering an entire reel when it forms part of a winning combination. The Speed Up Bonus is the bonus buy mechanic, allowing direct entry to the free spins at a set cost.
Book of Eye Bonus Feature & Special Features
Free Spins with Expanding Symbol
Landing 3 or more Book of Eye Scatter symbols on the reels triggers the free spins round. Before the first free spin begins, one symbol is randomly selected as the expanding symbol for the entire session. When that symbol appears and contributes to a winning combination on any payline, it expands to fill the entire reel it occupies before the win is calculated. A high-value expanding symbol covering multiple reels simultaneously creates the conditions for the 55,000x max win. The Sticky Wild (blazing sun) locks in place during free spins, adding a secondary win-building layer. The high volatility means the expanding symbol will miss on many spins, but when it connects with the right payline configuration, the result is significantly amplified.
Speed Up Bonus
Book of Eye includes a Speed Up Bonus feature that functions as the bonus buy slots mechanic: players can pay a set amount to skip the base game and enter the free spins round directly, without needing to trigger the Book of Eye Scatter symbol organically. The cost is displayed before confirmation. This is the primary reason the bonus buy option is listed in the game's feature set, making Book of Eye one of the few Onlyplay book-format titles with direct bonus access.
Try a Respin
The Try a Respin feature allows players to respin individual reels after a base-game spin to try to complete a near-miss winning combination. Before the respin, the game displays the cost. This adds a tactical layer to close-call situations, letting players decide whether a specific reel configuration is worth paying to re-attempt.
Pros & Cons of Book of Eye
Here is a quick overview of the key strengths and weaknesses of Book of Eye.
How to Deposit, Withdraw Winnings & Gamble Responsibly at Wild.io
Getting started with Book of Eye at Wild.io takes only a few steps. Follow the Wild.io deposit guide if you need the full walkthrough:
- Create a free account at Wild.io.
- Open your crypto wallet from the account menu.
- Make a deposit using your preferred cryptocurrency.
- Launch Book of Eye from the games library.
- Choose demo mode or real-money play, then set your stake and spin.
Withdrawing winnings is just as fast: return to your wallet, pick your payout coin, and confirm. See Wild.io withdrawal times for typical processing speeds.
To help players stay in control, Wild.io includes several responsible gambling tools:
- Deposit limits
- Session reminders
- Self-exclusion tools
- Reality checks
- Account time-outs
Before you start playing, set a clear budget, self-assess your habits, and stick to limits that feel comfortable. Take regular breaks, avoid chasing losses, and play responsibly. Gambling should always be treated as entertainment rather than a way to make money.
Book of Eye FAQ
What is the RTP of Book of Eye?
Book of Eye has a Return to Player (RTP) of 95.55%, meaning it theoretically returns 95.55% of all wagered amounts to players over time.
What is the volatility of Book of Eye?
Book of Eye has high volatility. This means payouts can be less frequent but bonus features may produce larger wins.
What is the maximum win in Book of Eye?
The maximum win in Book of Eye is 55,000x your bet. Always play responsibly and within your budget.
Who developed Book of Eye?
Book of Eye is developed by Onlyplay.
Does Book of Eye have a bonus buy feature?
Yes. Book of Eye includes a Bonus Buy feature that lets you purchase direct access to the bonus round.
Does Book of Eye have a Free Spins Round?
Yes. Book of Eye includes a Free Spins round. Landing 3 or more Book of Eye Scatter symbols on the reels triggers the free spins round. Before the first free spin begins, one symbol is randomly selected as the expanding symbol for the entire session. When that symbol appears and contributes to a winning combination on any payline, it expands to fill the entire reel it occupies before the win is calculated. A high-value expanding symbol covering multiple reels simultaneously creates the conditions for the 55,000x max win. The Sticky Wild (blazing sun) locks in place during free spins, adding a secondary win-building layer. The high volatility means the expanding symbol will miss on many spins, but when it connects with the right payline configuration, the result is significantly amplified.
Does Book of Eye have a jackpot?
No. Book of Eye does not feature a jackpot. Its top payout is a fixed maximum win of 55,000x.
How many paylines does Book of Eye have?
Book of Eye uses a 10 paylines system.
Can I play Book of Eye for free (demo) at Wild.io?
Yes! Wild.io offers a free demo version of Book of Eye with no registration or deposit required. Simply visit the game page and click Play for Free to try it instantly.
Can I play Book of Eye with real money at Wild.io?
Yes! Wild.io lets you play Book of Eye with real money using cryptocurrency. Just sign up, make a deposit, and start playing instantly.
Can I play Book of Eye with crypto at Wild.io?
Yes! Wild.io is a crypto casino, so you can play Book of Eye using coins like BTC, ETH, or USDT right after making a deposit.
What cryptocurrencies can I use to play Book of Eye at Wild.io?
Wild.io accepts a wide range of cryptocurrencies, including Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Dogecoin (DOGE), Bitcoin Cash (BCH), XRP (XRP), Tron (TRX), Tether (USDT), BNB (BNB), USD Coin (USDC), Cardano (ADA), and Solana (SOL). Just pick your preferred coin in your wallet and deposit before playing.
Can I play Book of Eye on mobile at Wild.io?
Yes, Book of Eye is fully optimized for mobile play on both Android and iOS devices via your web browser, with no download required.
