Book Extreme Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Yggdrasil (developed by AceRun) |
| Release Date | September 12, 2024 |
| Theme | Ancient Egypt, Pharaohs, Sacred Books |
| Layout | 5×3 |
| Paylines | 10 |
| Bet Range | €0.20–€25 |
| Core Mechanics | Book symbol acts as Wild and Scatter, Free spins with special expanding symbol, Retriggerable free spins adding up to nine expanding symbols |
| Developer | AceRun for Yggdrasil |
| Supported platforms | Desktop and mobile browsers (16:9 resolution) |
Mathematical & Payout Model
Return to Player (RTP)
94.0% (also available at 90.5%)
Volatility
Super High
Hit Frequency
28.3%
Max Win Potential
10093x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Anubis, Eye of Ra, Nekhbet | Thematic items offering moderate payouts. |
| High Tier | Pharaoh, Book, Ahkmet | 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 Extreme Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins with Expanding Symbols | Three or more Book symbols | 10 free spins | Random special symbol expands on reels when part of a win | Retriggers add another expanding symbol and 10 more spins, up to nine symbols |
Frequently Asked Questions (FAQ)
| What is the RTP of Book Extreme? | The game offers two RTP versions: 94.0% and 90.5% depending on operator settings. |
| What is the maximum win multiplier? | You can win up to 10,092.5× your bet. |
| How many paylines does the game have? | Book Extreme has 10 fixed paylines. |
| What triggers the free spins feature? | Landing three or more Book symbols (which act as both Wild and Scatter) triggers 10 free spins. |
| Can free spins be retriggered? | Yes. During free spins, landing more Book symbols awards 10 additional spins and adds another expanding symbol, up to a maximum of nine. |
| What is the volatility level? | The game is rated as Super High volatility. |
| What is the hit frequency? | The hit frequency is approximately 28.29%. |
| What is the betting range? | You can bet between €0.20 and €25 per spin. |
Book Extreme Performance Summary: Strengths vs. Weaknesses
Strengths
- Huge max win potential (10,092.5×)
- Innovative retriggerable expanding symbol mechanic
- High volatility appeals to thrill‑seeking players
Weaknesses
- Below‑average RTP (94.0%)
- Very high volatility may deter casual players
Overview
Book Extreme is a high-volatility Ancient Egypt–themed video slot by AceRun for Yggdrasil, released September 12, 2024. It features a 5×3 layout, 10 paylines, dual RTP versions (94.0% and 90.5%), and a free spins mechanic with retriggerable expanding symbols. The game offers a massive maximum win potential of 10,092.5× your bet.
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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