Game Information
Provider
KA Gaming
Type
Slots
Theme
Book of
Book of Skulls Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Spinomenal |
| Release Date | 26.08.2021 |
| Theme | Pirates, Adventure |
| Layout | 5×3 |
| Paylines | 10 |
| Bet Range | 0.10–100 |
| Core Mechanics | Expanding symbols in free spins, Wild symbol doubles as scatter, Free spins feature, Bonus buy option |
| Technology | HTML5 and JavaScript |
| Mobile compatibility | Playable on mobile and desktop |
Mathematical & Payout Model
Return to Player (RTP)
96.14%
Volatility
Medium
Max Win Potential
5000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | K, A | Thematic items offering moderate payouts. |
| High Tier | Blackbeard Pirate, Female Pirate, Mate, Woman with Weapon | Highest paying symbols. Top hits available with full combinations. |
| Wild | Book of Skulls | Acts as a substitute / feature trigger per game rules. |
| Scatter | Book of Skulls | Triggers free spins / bonus round when enough appear. |
Book of Skulls Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins with Expanding Symbol | Three or more Book symbols | 10 free spins | One symbol expands to full reel during free spins | Retriggerable free spins |
| Bonus Buy | Player action | Allows purchase of free spins feature |
Frequently Asked Questions (FAQ)
| What is the RTP of Book of Skulls? | The RTP is approximately 96.14%. |
| What is the maximum win? | The maximum win is 5000× the stake. |
| What does the Book symbol do? | The Book symbol acts as both wild and scatter and triggers free spins. |
| Can I buy the bonus feature? | Yes. The game offers a bonus buy option to enter free spins directly. |
| What is the volatility level? | The volatility is medium. |
| How many paylines are there? | There are 10 fixed paylines. |
| What is the bet range? | The bet range is from 0.10 to 100 per spin. |
Book of Skulls Performance Summary: Strengths vs. Weaknesses
Strengths
- High maximum win potential
- Engaging pirate theme
- Expanding symbol free spins
- Bonus buy option
Weaknesses
- RTP slightly below industry average
- Limited bonus features beyond free spins
Overview
Book of Skulls is a pirate‑themed video slot by Spinomenal. It features 5 reels, 3 rows, and 10 paylines. The game includes expanding symbols, wild/scatter book symbol, free spins, and a bonus buy feature. It offers medium volatility and an RTP around 96%. 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.
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