Book of Sun
3OAKs slot - desktop
Book of Sun
Book of Sun. Five reels. Ten paylines. Book scatter triggers free spins. One symbol expands during bonus rounds, filling entire reels with matching icons. Payouts increase when expanded symbols create combinations. Adjust your bet. Spin. The mechanic repeats until free spins end. Simple math. Direct results. No complexity.
Game Features
- Book scatter symbol triggers free spin bonus
- Expanding symbol mechanic during bonus rounds
- Five reels with ten fixed paylines
- Adjustable bet sizing
- Ancient Egyptian theme and iconography
Play Now
Search for Book of Sun in the Betarama lobby or hit the button below. Logged in? You're one click from real play. Not ready to commit? Try free play first.
Bitcoin, ETH, USDT - pick your crypto. Deposits land instantly and withdrawals go straight to your wallet.
Play Book of SunCrypto-Native Casino
Betarama runs on crypto. Fast in, fast out. No banks, no waiting. Your winnings hit your wallet the moment you withdraw.
More 3OAKs Games
Frequently Asked Questions
What is the Book of Sun scatter symbol and how does it trigger the bonus round?
The Book of Sun scatter symbol triggers free spins when three or more instances land across the reels. This scatter function forms the central mechanic of the game and activates the bonus round automatically.
How does the expanding symbol mechanic work during free spins?
During the bonus round, one symbol expands to cover entire reels, which increases the number of winning combinations that can form on that spin. This expansion happens on selected symbols and creates additional win opportunities beyond the base game.
What is the payline structure in Book of Sun?
Book of Sun has five reels with ten fixed paylines. The fixed payline structure means all ten lines are active on every spin regardless of bet size.
Can I adjust my bet size in Book of Sun?
Yes, Book of Sun features adjustable bet sizing with a range across standard denominations, allowing you to set your wager according to your preference.
What makes the Book of Sun different from other slots in its use of the book symbol?
The book symbol in Book of Sun functions as both a scatter trigger for free spins and as the expanding symbol during bonus rounds, making it central to both triggering and maximizing wins in the game.
