Game Information
Provider
Booongo
Type
Slots
Book of Sun Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Booongo |
| Release Date | 2018-11-28 |
| Theme | Ancient Egypt |
| Layout | 5×3 |
| Paylines | 10 |
| Bet Range | 0.20–30 |
| Core Mechanics | Book symbol acts as wild and scatter, Free spins with expanding symbol, Low volatility, 10 fixed paylines |
| Software | HTML5/JS |
| Provider | Booongo |
Mathematical & Payout Model
Return to Player (RTP)
96.8%
Volatility
Low
Max Win Potential
5000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Bird, Scarab | Thematic items offering moderate payouts. |
| High Tier | Horus, Pharaoh | Highest paying symbols. Top hits available with full combinations. |
| Wild | Book | Acts as a substitute / feature trigger per game rules. |
| Scatter | Book | Triggers free spins / bonus round when enough appear. |
Book of Sun Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins with Expanding Symbol | Three or more Book symbols | 12 free spins | Random symbol expands to cover reels during free spins | Retriggers award additional free spins |
Frequently Asked Questions (FAQ)
| How many free spins are awarded? | Twelve free spins are awarded when three or more Book symbols land. |
| What does the Book symbol do? | The Book symbol acts as both wild and scatter. |
| What is the RTP of the game? | The RTP is approximately 96.8%. |
| What is the volatility level? | The volatility is low. |
| What is the maximum win? | The maximum win is 5000× the stake. |
Book of Sun Performance Summary: Strengths vs. Weaknesses
Strengths
- High maximum win potential
- Simple and familiar mechanics
- Low volatility suits frequent small wins
Weaknesses
- Theme is common
- Feature set is basic
Overview
Book of Sun is an Egyptian themed video slot by Booongo. It features 5 reels, 10 paylines, a low volatility profile, and an RTP around 96.8%. The game includes a Book symbol that acts as both wild and scatter, triggering 12 free spins with a randomly selected expanding symbol. The maximum win reaches 5000× the stake.
Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 30,000 slots.
Latest posts by Rachel Pine (see all)
- 11 Best Drop and Wins Slots Everyone’s Playing Right Now (UK) - January 14, 2026
- Free Slots vs Real Money Slots - October 3, 2025
- Top 6 Low Volatility Slots in the UK - September 30, 2025