Game Information
Show More
Provider
Playtech
Type
Slots
Reels
5
Min Bet
0.01
Max Bet
12.5
Max Win per Spin
62500
Book of Kings Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Playtech (in partnership with Rarestone Gaming) |
| Release Date | 13/03/2020 |
| Theme | Ancient Egypt |
| Layout | 5 reels × 3 rows |
| Paylines | 10 |
| Bet Range | £0.10–£5 (some sources up to €500) |
| Core Mechanics | Book symbol acts as both Wild and Scatter, Free Spins feature with expanding symbol, 3× multiplier when Book & Snake scatter triggers free spins |
| Provider | Playtech (in partnership with Rarestone Gaming) |
| Platform | HTML5, mobile‑optimized |
Mathematical & Payout Model
Return to Player (RTP)
96.63%
Volatility
High
Max Win Potential
15000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Eye of Horus, Falcon jewel | Thematic items offering moderate payouts. |
| High Tier | Pharaoh, Explorer | Highest paying symbols. Top hits available with full combinations. |
| Wild | Book symbol, Book & Snake symbol | Acts as a substitute / feature trigger per game rules. |
| Scatter | Book symbol, Book & Snake symbol | Triggers free spins / bonus round when enough appear. |
Book of Kings Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins with Expanding Symbol | 3+ Book or Book & Snake scatters | 10 free spins | One symbol is randomly selected to expand on reels during free spins | If Book & Snake was part of trigger, all wins are multiplied by 3× |
Frequently Asked Questions (FAQ)
| What is the RTP of Book of Kings? | The RTP is approximately 96.63%. |
| What is the maximum win potential? | You can win up to 15,000× your stake by landing expanding Explorer symbols on all reels with the 3× multiplier active. |
| How do I trigger the free spins feature? | Land three or more Book or Book & Snake symbols anywhere on the reels to trigger 10 free spins. |
| What does the Book symbol do? | The Book symbol acts as both Wild and Scatter, substituting for other symbols and triggering free spins. |
| What is the expanding symbol feature? | At the start of free spins, one symbol is randomly chosen to expand and cover entire reels when it contributes to a win. |
| Is there a multiplier in free spins? | Yes, if the Book & Snake symbol is part of the trigger, all wins during free spins are multiplied by 3×. |
| What is the volatility level? | The game is high volatility, meaning wins are less frequent but potentially large. |
| What is the bet range? | Typical bet range is £0.10 to £5 per spin, though some versions allow up to €500. |
Book of Kings Performance Summary: Strengths vs. Weaknesses
Strengths
- High maximum win potential (15,000×)
- Classic book‑slot mechanics with expanding symbol and multiplier
- High RTP (~96.63%)
Weaknesses
- High volatility may deter low‑risk players
- Limited paylines (10) may reduce base‑game win frequency
Overview
Book of Kings is a high‑volatility Ancient Egypt themed video slot by Playtech and Rarestone Gaming, featuring 5 reels, 10 paylines, an RTP around 96.63%, free spins with a special expanding symbol, and a maximum win potential of 15,000× your 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.
Latest posts by Rachel Pine (see all)
- 11 Best Drop and Wins Slots Everyone’s Playing Right Now (UK) - January 14, 2026
- Free Slots vs Real Money Slots - October 3, 2025
- Top 6 Low Volatility Slots in the UK - September 30, 2025