Just Slots
Unholy Mystery
Play Unholy Mystery slot by Just Slots for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.
RTP
96.63%
return to player
Volatility
High volatility
variance
Max win
10,000×
top multiplier
Min bet
$0.10
per spin
Reels
5
20 lines
Player rating
3.5 ★
6 votes
Why this score
High confidence (100%)Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.
Payouts & RTP9/10
RTP 96.63% → 9.0/10
Volatility9/10
high → 9.0/10
Win Potential8/10
x10000.00 (10000×) → 8.0/10
Features8/10
11 features → 8.0/10
Game Mechanics10/10
f=11 r=5 p=20 → 10.0/10
Context signals (tie-breakers)
Layout5/10
5x4 → 5.0/10
Bet Flexibility6/10
0.1–50 (×500) → 6.0/10
Provider Reputation7.2/10
provider avg 7.2 → 7.2/10
Popularity6/10
synthetic proxy → 6.0/10
DEMO Play free, no signup
Just Slots
Spec sheet
Unholy Mystery at a glance.
Math
Index score81
RTP96.63%
VolatilityHigh volatility
Max win10,000×
Bet range$0.10 – $50.00
Player rating3.5 / 5 · 6 votes
Format
Reels5
Paylines20
Layout5x4
Features
Themes
Compare Unholy Mystery with other games
 Unholy Mystery Score 81This game |  The Magic Shoppe Score 65 |  The Watcher Score 85 |  Ouija Secrets Score 67 |  Ghost Glyph Score 81 | |
|---|---|---|---|---|---|
| Identity | |||||
| Studio | |||||
| Released | 7/30/2025 | 6/17/2017 | 10/28/2024 | 10/10/2024 | 9/3/2020 |
| Math | |||||
| RTP | 96.63% | 94.58% | 96.01% | 94.5% | 96.18% |
| Volatility | High volatility | Medium volatility | High volatility | Medium volatility | Medium volatility |
| Max win | 10,000× | 4,104× | 9,000× | 8,500× | 2,260× |
| Format | |||||
| Reels | 5 | 5 | 6 | 5 | 7 |
| Layout | 5x4 | 5x3 | 6x6 | 5x3 | 7x7 |
| Paylines | 20 | 25 | 40 | 20 | 7 |
| Min bet | 0.10 | 25.00 | 0.20 | 0.20 | 0.10 |
| Max bet | 50.00 | 0.00 | 100.00 | 40.00 | 100.00 |
| Features | |||||
| Progressive | — | — | — | — | — |
| Wild symbol | ✓ | ✓ | ✓ | ✓ | ✓ |
| Free spins | ✓ | ✓ | ✓ | — | ✓ |
| Scatter symbol | ✓ | ✓ | ✓ | — | ✓ |
| Multiplier | ✓ | ✓ | ✓ | ✓ | — |
| Bonus game | — | — | — | ✓ | — |
| Respins | — | — | — | — | — |
Every number is shown as a delta against Unholy Mystery.
Comparing against
Unholy Mystery
Just Slots
RTP
96.63%
Max win
10,000×
Score
81
The Magic Shoppe
Betsoft
RTP
94.58%▼−2
Volatility
Medium volatilityMax win
4,104×▼−5,896
Score
65▼−16
Same feature set
The Watcher
StakeLogic
RTP
96.01%▼−0.6
Volatility
High volatilityMax win
9,000×▼−1,000
Score
85▲+4
Same feature set
Ouija Secrets
Mascot Gaming
RTP
94.5%▼−2.1
Volatility
Medium volatilityMax win
8,500×▼−1,500
Score
67▼−14
+ Bonus Game− Free Spins− Scatter
Ghost Glyph
Quickspin
RTP
96.18%▼−0.4
Volatility
Medium volatilityMax win
2,260×▼−7,740
Score
81same
− Multiplier
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