Book of Sun
- RTP
- 95.02%
- Volatility
- LOW
- Max win
- 5,000×
- Hit freq
- -
- Grid
- -
- Bet
- -
- Released
- 2020-01-01
A playable demo is not available in your region.
Our take
3 Oaks' Egyptian book-game slot with 95.02% RTP, low volatility, and 5000× max win via expanding-symbol free spins.
Book of Sun represents 3 Oaks' entry into the crowded book-game niche, following the success of established franchises like Book of Dead and Book of Ra. The game adheres to the proven formula: Egyptian theming, ancient artefacts, and a bonus mechanic centred on expanding symbols during free spins. The 95.02% RTP and low volatility differentiate this release as a conservative, accessibility-focused title.
The book symbol triggers free spins and acts as the expanding wild throughout the bonus round. Landing consecutive book symbols extends free-spins allocation and locks the expanding wild position across subsequent respins, compounding payouts. Base-game mechanics remain straightforward, emphasising simplicity over innovation; the game prioritises engagement through session length rather than feature complexity.
Low volatility and the 95.02% RTP position Book of Sun for players seeking extended, low-risk sessions. The 5000× max-win cap mirrors competitors in the same volatility tier. Hit frequency leans towards frequent, modest wins; dramatic swings are minimal. 3 Oaks' newer market position means operator coverage is narrower than established franchises, though gradual adoption across licensed markets continues.
Pros
- Low volatility with 95.02% RTP ideal for extended, consistent-win sessions
- Classic Egyptian book-game formula proven by established franchises
- Expanding-symbol free-spins mechanic concentrates payouts in bonus rounds
- 5000× max win achievable through consecutive book-symbol stacking
- Straightforward mechanics reduce learning curve for new players
Cons
- Book-game formula lacks innovation; limited differentiation vs. Book of Ra/Book of Dead
- Low volatility caps appeal for players seeking dramatic wins or high-variance excitement
- Operator coverage narrower than established competitors; availability spotty globally
- Max-win probability and hit frequency not independently published
- 3 Oaks' market presence nascent; long-term operator relationships untested
Math & maxes
Math breakdown
- Volatility score
- 3 / 5
- Max win
- 5,000x the stake
FAQ
How does the book free-spins feature work?
Land the book symbol to trigger free spins. The book acts as an expanding wild, locking in position and respinning remaining reels to compound wins.
What is the RTP and volatility?
95.02% RTP under low volatility; expect frequent, modest wins and minimal downside swings.
What is the maximum possible win?
5000× your stake, achievable through consecutive book-symbol triggers and expanding-wild stacking during free spins.
Is this a new franchise?
No; 3 Oaks is a newer provider (established 2021), but Book of Sun follows the proven book-game genre established by franchises like Book of Ra.
What is the theme?
Ancient Egypt, with artefacts, hieroglyphics, and traditional archaeological imagery throughout.
