Secret Book of the Island Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | SYNOT Games |
| Release Date | 01.02.2018 |
| Theme | Ancient Egypt, Adventure |
| Layout | 5×3 |
| Paylines | 10 |
| Bet Range | 0.10–20 |
| Core Mechanics | Book symbol acts as Wild and Scatter, Free Spins with Expanding Symbol, Gamble (Risk/Double) feature |
| Technology | HTML5, JS |
| Platforms | Desktop and mobile |
Mathematical & Payout Model
Return to Player (RTP)
96.05%
Volatility
High
Hit Frequency
29.0%
Max Win Potential
6227x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Ankh, Scarab, Gold Mask | Thematic items offering moderate payouts. |
| High Tier | Female Adventurer | 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. |
Secret Book of the Island Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins with Expanding Symbol | Three or more Book symbols | Free spins | One symbol expands to cover reels during free spins | |
| Gamble feature | After any win | Guess card color to double win |
Frequently Asked Questions (FAQ)
| How many paylines does the game have? | The game has 10 fixed paylines. |
| What is the RTP? | The RTP is 96.05%. |
| What is the volatility level? | The volatility is high. |
| What triggers the free spins? | Landing three or more Book symbols triggers free spins. |
| What does the expanding symbol do? | During free spins one symbol expands to cover entire reels. |
| What is the maximum win? | The maximum win is 6227× the bet. |
| What does the gamble feature do? | After a win the gamble feature allows doubling by guessing card color. |
Secret Book of the Island Performance Summary: Strengths vs. Weaknesses
Strengths
- High maximum win potential
- Classic book‑style mechanics with expanding symbol
- Gamble feature adds extra excitement
Weaknesses
- High volatility may deter low‑risk players
- No progressive jackpot
- Feature frequency may be low due to volatility
Overview
Secret Book of the Island is a high‑volatility video slot by SYNOT Games. It features a 5×3 layout with 10 fixed paylines. The Book symbol acts as both Wild and Scatter and triggers free spins with an expanding symbol mechanic. The game includes a gamble feature to double wins.
Latest posts by Rachel Pine (see all)
- Free Slots vs Real Money Slots - October 3, 2025
- Top 6 Low Volatility Slots in the UK - September 30, 2025
- Best Online Casino Strategies That Actually Work - September 21, 2025
