Slots With Mystery symbol Feature
For convenience, slots with Mystery symbol feature are divided into several categories. The best slots of 2026, new games, slots with high and low volatility, with megaways mechanics, with progressive jackpots and slots that have the Mystery symbol feature with the highest RTP.
Best Slots With Mystery symbol Feature 2026
List of the best slots with mystery symbol feature at online casinos in 2026. Games are sorted by SlotRank.
Release Date:
2026-02-09
Type:
Video Slots
Max Win:
x12500
Min bet $, €, £:
0.3
Max bet $, €, £:
240
RTP:
96.45%
Variance:
HIGH
Betways:
1875
Game Size:
10 MB
Game Review
Release Date:
2026-03-12
Type:
Video Slots
Max Win:
x10311
Min bet $, €, £:
0.2
Max bet $, €, £:
35
RTP:
N/A
Variance:
N/A
Betways:
20
Game Size:
47.1 MB
Game Review
Release Date:
2018-06-20
Type:
Video Slots
Max Win:
N/A
Min bet $, €, £:
0.3
Max bet $, €, £:
187.5
RTP:
96.47%
Variance:
MED
Betways:
40
Game Size:
1000 MB
Game Review
Release Date:
2026-01-21
Type:
Video Slots
Max Win:
x5000
Min bet $, €, £:
0.1
Max bet $, €, £:
50
RTP:
95%
Variance:
MED-HIGH
Betways:
25
Game Size:
20.5 MB
Game Review
Release Date:
2026-02-02
Type:
Video Slots
Max Win:
x20000
Min bet $, €, £:
0.1
Max bet $, €, £:
50
RTP:
96.26%
Variance:
MED
Betways:
19
Game Size:
10 MB
Game Review
Release Date:
2025-12-22
Type:
Video Slots
Max Win:
x6242
Min bet $, €, £:
0.1
Max bet $, €, £:
40
RTP:
96.04%
Variance:
HIGH
Betways:
12
Game Size:
40.3 MB
Game Review
Release Date:
2025-12-11
Type:
Video Slots
Max Win:
N/A
Min bet $, €, £:
0.25
Max bet $, €, £:
62.5
RTP:
N/A
Variance:
HIGH
Betways:
25
Game Size:
19.8 MB
Game Review
New Slots With Mystery symbol Feature
New casino games with mystery symbol feature released in the last 12 months. Sorted by release date.
Release Date:
2026-03-04
Type:
Video Slots
Max Win:
x1490
Min bet $, €, £:
0.25
Max bet $, €, £:
62.5
RTP:
95.76%
Variance:
LOW-MED
Betways:
5
Game Size:
9.5 MB
Game Review
Release Date:
2026-03-03
Type:
Video Slots
Max Win:
x31248
Min bet $, €, £:
0.2
Max bet $, €, £:
100
RTP:
96.1%
Variance:
HIGH
Betways:
4096
Game Size:
62.2 MB
Game Review
Sticky Diamonds Flaming Link
Release Date:
2026-03-03
Type:
Video Slots
Max Win:
x12200
Min bet $, €, £:
0.2
Max bet $, €, £:
100
RTP:
96.12%
Variance:
HIGH
Betways:
10
Game Size:
31.2 MB
Game Review
Release Date:
2026-03-02
Type:
Video Slots
Max Win:
N/A
Min bet $, €, £:
0.1
Max bet $, €, £:
100
RTP:
N/A
Variance:
N/A
Betways:
10
Game Size:
32.8 MB
Game Review
Mystery symbol Casino Slots With The Best RTP
Online mystery symbol slots with the highest RTP. Please note that for some games, RTP values may vary between casinos.
Release Date:
2025-04-08
Type:
Video Slots
Max Win:
x1000
Min bet $, €, £:
0.5
Max bet $, €, £:
500
RTP:
99%
Betways:
81
Game Size:
35.1 MB
Game Review
Release Date:
2021-04-06
Type:
Video Slots
Max Win:
x1000
Min bet $, €, £:
0.2
Max bet $, €, £:
100
RTP:
98.48%
Variance:
N/A
Betways:
10
Game Size:
N/A MB
Game Review
Merlin's Madness Megaways
Release Date:
2024-02-15
Type:
Video Slots
Max Win:
x40000
Min bet $, €, £:
0.2
Max bet $, €, £:
100
RTP:
98.09%
Variance:
HIGH
Betways:
117649
Game Size:
65.8 MB
Game Review
Release Date:
2024-03-04
Type:
Video Slots
Max Win:
x500
Min bet $, €, £:
0.1
Max bet $, €, £:
200
RTP:
98.08%
Variance:
MED
Betways:
5
Game Size:
N/A MB
Game Review
High Volatility Slot Machines With Mystery symbol Feature
Most popular slot machines with mystery symbol feature and high volatility at online casinos in 2026.
Release Date:
2026-02-09
Type:
Video Slots
Max Win:
x12500
Min bet $, €, £:
0.3
Max bet $, €, £:
240
RTP:
96.45%
Variance:
HIGH
Betways:
1875
Game Size:
10 MB
Game Review
Release Date:
2025-12-22
Type:
Video Slots
Max Win:
x6242
Min bet $, €, £:
0.1
Max bet $, €, £:
40
RTP:
96.04%
Variance:
HIGH
Betways:
12
Game Size:
40.3 MB
Game Review
Release Date:
2025-12-11
Type:
Video Slots
Max Win:
N/A
Min bet $, €, £:
0.25
Max bet $, €, £:
62.5
RTP:
N/A
Variance:
HIGH
Betways:
25
Game Size:
19.8 MB
Game Review
Release Date:
2026-01-27
Type:
Video Slots
Max Win:
x10000
Min bet $, €, £:
0.1
Max bet $, €, £:
20
RTP:
95.82%
Variance:
HIGH
Betways:
4096
Game Size:
20.5 MB
Game Review
Low Volatility Online Slots With Mystery symbol Feature
Online slots with low volatility and a mystery symbol feature, which are the most popular in recent times.
Release Date:
2021-02-18
Type:
Video Slots
Max Win:
x2328
Min bet $, €, £:
0.1
Max bet $, €, £:
40
RTP:
95.49%
Betways:
50
Game Size:
12 MB
Game Review
Release Date:
2019-09-21
Type:
Video Slots
Max Win:
N/A
Min bet $, €, £:
0.4
Max bet $, €, £:
200
RTP:
96.6%
Betways:
40
Game Size:
1000 MB
Game Review
Release Date:
2019-10-12
Type:
Video Slots
Max Win:
N/A
Min bet $, €, £:
0.4
Max bet $, €, £:
200
RTP:
96%
Betways:
40
Game Size:
15.3 MB
Game Review
Release Date:
2024-04-22
Type:
Video Slots
Max Win:
x216
Min bet $, €, £:
0.2
Max bet $, €, £:
100
RTP:
95%
Betways:
50
Game Size:
6.7 MB
Game Review
Slots With Mystery symbol Feature & Megaways Mechanics
Top slots to play for real money with mystery symbol feature and megaways mechanics.
Release Date:
2023-03-28
Type:
Video Slots
Max Win:
x100000
Min bet $, €, £:
0.4
Max bet $, €, £:
100
RTP:
96.64%
Variance:
HIGH
Betways:
117649
Game Size:
17.6 MB
Game Review
Release Date:
2023-02-28
Type:
Video Slots
Max Win:
x80000
Min bet $, €, £:
0.4
Max bet $, €, £:
100
RTP:
96.58%
Variance:
HIGH
Betways:
117649
Game Size:
1000 MB
Game Review
Online Slots With Mystery symbol Feature & Progressive Jackpots
Most favorite slots with mystery symbol and progressive jackpots features.
Fortunium Gold Mega Moolah
Release Date:
2020-09-22
Type:
Video Slots
Max Win:
x800
Min bet $, €, £:
0.1
Max bet $, €, £:
15
RTP:
92.67%
Variance:
MED
Betways:
40
Game Size:
1000 MB
Game Review
Release Date:
2022-12-01
Type:
Video Slots
Max Win:
x20000
Min bet $, €, £:
0.2
Max bet $, €, £:
50
RTP:
94%
Variance:
HIGH
Betways:
N/A
Game Size:
8.8 MB
Game Review
Release Date:
2022-12-28
Type:
Video Slots
Max Win:
x1787
Min bet $, €, £:
0.3
Max bet $, €, £:
120
RTP:
96.13%
Variance:
HIGH
Betways:
30
Game Size:
23.7 MB
Game Review
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