Game Information
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Provider
PopOK Gaming
Type
Slots
Theme
Mystery
Release Date
January 14, 2025
Reels
5
RTP
96.09
Volatility
5
Max Exposure
5000
Min Bet
0.02
Max Bet
25
Restrictions
LB
Book of Sherlock Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | PopOK Gaming |
| Release Date | 2025-01-14 |
| Theme | Detective, Mystery, Victorian London |
| Layout | 5×3 |
| Paylines | 10 |
| Bet Range | 0.02–25 (coins) |
| Core Mechanics | Book symbol serves as Wild and Scatter, Free spins with expanding special symbol, Book collection meter for bonus spin, High volatility gameplay |
| Technology | HTML5 |
| Mobile | Yes |
Mathematical & Payout Model
Return to Player (RTP)
96.09%
Volatility
High
Hit Frequency
33.0%
Max Win Potential
5000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | pocket watch, telephone, letter, pistol, pipe | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Dr. Watson, female character, villain | Thematic items offering moderate payouts. |
| High Tier | Sherlock Holmes | Highest paying symbols. Top hits available with full combinations. |
| Wild | Book symbol | Acts as a substitute / feature trigger per game rules. |
| Scatter | Book symbol | Triggers free spins / bonus round when enough appear. |
Book of Sherlock Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins with Expanding Symbol | 3+ Book symbols | 10, 12 or 15 free spins | One symbol expands to cover reels and pays anywhere | Retriggerable free spins |
| Book Collection Bonus Spin | Collect 25 Book symbols | 1 bonus spin | Meter collects non‑triggering Books | Extra chance at free spins |
Frequently Asked Questions (FAQ)
| What is the RTP of Book of Sherlock? | The RTP is 96.09%. |
| How many paylines does the game have? | The game has 10 fixed paylines. |
| What is the maximum win multiplier? | The maximum win is 5000× the wager. |
| What does the Book symbol do? | The Book symbol acts as both Wild and Scatter and triggers free spins. |
| How do free spins work? | Landing 3, 4 or 5 Books awards 10, 12 or 15 free spins and a random symbol expands during the feature. |
| Is there any bonus besides free spins? | Yes. Collecting 25 non‑triggering Book symbols awards a bonus spin. |
| What is the volatility level? | The volatility is high. |
| What is the hit frequency? | The hit frequency is approximately 33%. |
Book of Sherlock Performance Summary: Strengths vs. Weaknesses
Strengths
- High maximum win potential
- Engaging expanding symbol mechanic
- Bonus spin via Book collection adds depth
- Strong thematic presentation
Weaknesses
- High volatility may deter casual players
- Fixed paylines limit flexibility
Overview
Book of Sherlock is a high‑volatility detective‑themed video slot by PopOK Gaming. It features a 5×3 grid with 10 fixed paylines, a Book symbol that acts as both Wild and Scatter, free spins with an expanding symbol mechanic, and a maximum win of 5000× the wager.
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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