JDB
Book of Mystery
Play Book of Mystery slot by JDB for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.
Only 0.7% of slots combine 96% Rtp and Book Of....
RTP
96.42%
return to player
Volatility
—
variance
Max win
5,000×
top multiplier
Min bet
$0.10
per spin
Reels
5
10 lines
Player rating
4.0 ★
14 votes
DEMO Play free, no signup
JDB
Why this score
High confidence (86%)Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.
Payouts & RTP9/10
RTP 96.42% → 9.0/10
Volatility8/10imputed
imputed medium (unknown) → 8.0/10
Win Potential7.4/10
x5000.00 (5000×) → 7.4/10
Features5.5/10
8 features → 5.5/10
Game Mechanics4.2/10
f=8 r=5 p=10 → 4.2/10
Context signals (tie-breakers)
Layout6/10
5x3 → 6.0/10
Bet Flexibility2/10
0.1–0.5 (×5) → 2.0/10
Provider Reputation5.7/10
provider avg 5.7 → 5.7/10
Popularity2.5/10
synthetic proxy → 2.5/10
Spec sheet
Book of Mystery at a glance.
Math
Index score63
RTP96.42%
Max win5,000×
Bet range$0.10 – $0.50
Player rating4.0 / 5 · 14 votes
Format
Reels5
Paylines10
Layout5x3
Features
Themes
Compare Book of Mystery with other games
 Book of Mystery Score 63This game |  Rich Wilde and the Wandering City Score 66 |  The Mummy Books of Amun Ra Score 70 |  Pyramid Raider Score 74 |  Book of Jones Golden Book Score 67 | |
|---|---|---|---|---|---|
| Identity | |||||
| Studio | |||||
| Released | 4/1/2022 | 11/18/2021 | 10/1/2021 | 6/2/2021 | 9/27/2023 |
| Math | |||||
| RTP | 96.42% | 94.2% | 95.97% | 96.06% | 95.48% |
| Volatility | — | High volatility | High volatility | Medium/High | High volatility |
| Max win | 5,000× | 10,000× | 10,000× | 3,000× | 5,000× |
| Format | |||||
| Reels | 5 | 5 | 5 | 6 | 5 |
| Layout | 5x3 | 5x3 | 5x3 | 6x5 | 5x3 |
| Paylines | 10 | 243 | 10 | 7776 | 10 |
| Min bet | 0.10 | 0.20 | 0.10 | 0.88 | 0.10 |
| Max bet | 0.50 | 100.00 | 200.00 | 1760.00 | 50.00 |
| Features | |||||
| Progressive | — | — | — | — | — |
| Wild symbol | ✓ | ✓ | ✓ | ✓ | ✓ |
| Free spins | ✓ | ✓ | ✓ | ✓ | ✓ |
| Scatter symbol | ✓ | ✓ | ✓ | ✓ | ✓ |
| Multiplier | — | ✓ | — | — | — |
| Bonus game | — | — | — | — | — |
| Respins | — | — | — | — | — |
Every number is shown as a delta against Book of Mystery.
Comparing against
Book of Mystery
JDB
RTP
96.42%
Max win
5,000×
Score
63
Rich Wilde and the Wandering City
Play'n Go
RTP
94.2%▼−2.2
Volatility
High volatilityMax win
10,000×▲+5,000
Score
66▲+3
+ Multiplier
The Mummy Books of Amun Ra
Playtech Origins
RTP
95.97%▼−0.5
Volatility
High volatilityMax win
10,000×▲+5,000
Score
70▲+7
Same feature set
Pyramid Raider
CQ9 Gaming
RTP
96.06%▼−0.4
Volatility
Medium/HighMax win
3,000×▼−2,000
Score
74▲+11
Same feature set
Book of Jones Golden Book
StakeLogic
RTP
95.48%▼−0.9
Volatility
High volatilityMax win
5,000×same
Score
67▲+4
Same feature set
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