Game Information
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Provider
Just for the Win
Type
Slots
Theme
Book of
Reels
5
Min Bet
0.02
Max Bet
5
Max Win per Spin
250000
Restrictions
AF,AR,AU,BG,BI,BN,BR,BY,CA,CC,CF,CH,CN,CO,CU,CX,DE,DK,ES,FR,GB,GF,GL,GP,GR,HK,HM,HR,ID,IL,IN,IQ,IR,IT,JP,KH,KP,KR,LA,LB,LT,LY,MM,MO,MQ,MU,MY,NC,NF,NI,NL,PE,PF,PH,PM,PR,PT,RE,RO,RU,SD,SE,SG,SI,SO,SS,SY,TF,TH,TR,TW,US,VE,VI,VN,WF,YE,YT,ZA
Book of King Arthur Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Just For The Win (via Microgaming) |
| Release Date | April 2021 |
| Theme | Arthurian legend, Medieval, Myths & Legends |
| Layout | 5 reels × 3 rows |
| Paylines | 10 |
| Bet Range | £0.20–£50 (Boost up to £100) |
| Core Mechanics | Dual wild/scatter Book symbol, Free Spins with expanding symbol, Boost feature (expanding wilds), Bonus Buy option, High volatility |
| Technology | HTML5, JS |
| Provider | Just For The Win via Microgaming |
Mathematical & Payout Model
Return to Player (RTP)
96.1%
Volatility
High
Hit Frequency
30.8%
Max Win Potential
5000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Shield, Grail, Excalibur | Thematic items offering moderate payouts. |
| High Tier | King Arthur | 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 of King Arthur Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins with expanding symbol | 3+ Book symbols | 10 free spins + scatter payout (2×, 20×, 200×) | Random symbol expands to full reel when it contributes to a win | Retriggers possible |
| Boost feature | Player enables before spin | Wilds become expanding wilds covering full reel | Applies in base game and free spins | |
| Bonus Buy | Player pays 80× stake | Guaranteed Free Spins round | Direct entry to free spins | Not available if Boost is active |
Frequently Asked Questions (FAQ)
| What is the RTP of Book of King Arthur? | The RTP is approximately 96.1%. |
| How volatile is the game? | It is a high‑volatility slot. |
| What is the maximum win? | You can win up to 5,000× your stake. |
| What does the Boost feature do? | It doubles your bet and makes wilds expand to cover entire reels. |
| How do I trigger Free Spins? | Land 3 or more Book symbols to trigger 10 free spins and a scatter payout. |
| Can I buy the Free Spins feature? | Yes, by paying 80× your stake, unless Boost is active. |
| What symbol expands during Free Spins? | A randomly selected regular symbol (not the Book) expands when it contributes to a win. |
| Does the Book symbol act as both wild and scatter? | Yes, it substitutes for other symbols and triggers Free Spins. |
Book of King Arthur Performance Summary: Strengths vs. Weaknesses
Strengths
- Classic ‘Book’ mechanics with Arthurian theme
- High max win potential (5,000×)
- Boost adds excitement with expanding wilds
- Bonus Buy offers shortcut to Free Spins
Weaknesses
- High volatility may deter low‑risk players
- RTP settings vary by site (some lower than 96.1%)
Overview
Book of King Arthur is a high‑volatility 5‑reel, 10‑payline slot from Just For The Win (via Microgaming), featuring a medieval Arthurian theme. It includes a dual wild/scatter Book symbol, a Free Spins round with a randomly chosen expanding symbol, a Boost feature that turns wilds into expanding wilds, and a Buy Free Spins option. Players can win up to 5,000× their stake.
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