Lost Book Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Redstone |
| Release Date | 2021‑11‑22 |
| Theme | Ancient Egypt, Adventure, Book of |
| Layout | 5×3 |
| Paylines | 10 |
| Bet Range | 0.1‑40 |
| Core Mechanics | Book symbol acts as wild and scatter, 12 free spins with special expanding symbol, Three progressive mystery jackpots |
| Technology | JS and HTML5 |
| Compatibility | Fully mobile compatible |
Mathematical & Payout Model
Return to Player (RTP)
95.32%
Volatility
High
Max Win Potential
5512x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Wild | Book | Acts as a substitute / feature trigger per game rules. |
| Scatter | Book | Triggers free spins / bonus round when enough appear. |
Lost Book 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 special symbol expands during free spins | |
| Mystery progressive jackpots | Random during any spin | Portion of each bet contributes to jackpot pools | Three tiers: Diamond, Gold, Platinum |
Frequently Asked Questions (FAQ)
| How do I trigger free spins? | Land three or more Book symbols anywhere to trigger 12 free spins with a special expanding symbol. |
| What does the Book symbol do? | The Book symbol acts as both wild and scatter. |
| What jackpots are available? | There are three progressive mystery jackpots: Diamond, Gold, and Platinum. |
| What is the RTP of the game? | The RTP is 95.32%. |
| What is the volatility level? | The game has high volatility. |
| What is the betting range? | You can bet between 0.1 and 40 per spin. |
| Can the expanding symbol appear in base game? | No, the expanding symbol appears only during free spins. |
Lost Book Performance Summary: Strengths vs. Weaknesses
Strengths
- Engaging Ancient Egypt theme
- High win potential with expanding symbol and jackpots
- Mobile compatible
Weaknesses
- High volatility may deter risk‑averse players
- Max win may be rare despite high multiplier
Overview
Lost Book is a high‑volatility Ancient Egypt themed video slot by Redstone. It features 5 reels, 3 rows, and 10 fixed paylines. The Book symbol acts as both wild and scatter, triggering 12 free spins and a special expanding symbol. The game includes three progressive mystery jackpots: Diamond, Gold, and Platinum.
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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