Best mystery-themed online slots and free mystery slot demos

MYSTERY Online Slots – Ranked List, Free Demos & Best Casinos

If you're looking for the top-rated mystery-themed slots, you've come to the right place! Our updated CGSCORE ranking highlights the best mystery slots online, from classic adventures to modern mystery bonus games. Play free demos to explore the gameplay risk-free and learn the mechanics at your own pace — no deposit needed.

Where to Play MYSTERY-Themed Slots for Real Money at Trusted Casinos

Ready to move beyond free demos? Find safe and trusted online casinos offering mystery slots and claim exclusive bonus deals from our recommended real-money sites. Whether you're chasing big wins, bonus features, or immersive mystery adventures, these top-tier casinos deliver the ultimate mystery-slot experience.

 Top SlotsNew SlotsUpcomingHigh RTPBonus BuyMegaways Top Free mystery Slots Sort by: Max Win - RTP - Rating - Release Mystery Fox
CGSCORE 52
Wizard Games Mystery Fox
Max Win: 500x
RTP: 94.65%
 Mystery Express
CGSCORE 56
IGT Mystery Express
Max Win: 1000x
RTP: 97.03%
 Wheel of Wishes
CGSCORE 51
Jackpot!
Microgaming Wheel of Wishes
Max Win: 500x
RTP: 93.34%
 Pharaohs Dream
CGSCORE 51
Bally Pharaohs Dream
Max Win: 500x
RTP: 95.91%
 Who Wants to Be a Millionaire Mystery Box
CGSCORE 65
Big Time Gaming Who Wants to Be a Millionaire Mystery Box
Max Win: 12000x
RTP: 96.64%
 Da Vincis Mystery
CGSCORE 58
Red Tiger Gaming Da Vincis Mystery
Max Win: 5000x
RTP: 95.67%
 Mystery Reels Power Reels
CGSCORE 65
Red Tiger Gaming Mystery Reels Power Reels
Max Win: 5250x
RTP: 95.67%
 John Hunter and the Tomb of the Scarab Queen
CGSCORE 68
Pragmatic Play John Hunter and the Tomb of the Scarab Queen
Max Win: 10500x
RTP: 96.5%
 Nikola Teslas Incredible Machine
CGSCORE 56
Rabcat Nikola Teslas Incredible Machine
Max Win: 4100x
RTP: 96.2%
 Valley of Secrets
CGSCORE 58
Stakelogic Valley of Secrets
Max Win: 1822x
RTP: 96.1%
 Mystic Wheel
CGSCORE 56
Red Tiger Gaming Mystic Wheel
Max Win: 10000x
RTP: 96.16%
 Mayan Wild Mystery
CGSCORE 61
Stakelogic Mayan Wild Mystery
Max Win: 25000x
RTP: 96.27%
 Sherlock of London
CGSCORE 50
Rabcat Sherlock of London
Max Win: 0x
RTP: 96.03%
 Mystery of Eldorado
CGSCORE 64
Endorphina Mystery of Eldorado
Max Win: x
RTP: 96%
 Mystery Spin Deluxe Megaways
CGSCORE 61
Blueprint Mystery Spin Deluxe Megaways
Max Win: 10000x
RTP: 95%
 Lara Croft Temples and Tombs
CGSCORE 60
Jackpot!
Microgaming Lara Croft Temples and Tombs
Max Win: 5000x
RTP: 96.05%
 Mystery Reels Megaways
CGSCORE 62
Red Tiger Gaming Mystery Reels Megaways
Max Win: 10000x
RTP: 96.18%
 Ark of Mystery
CGSCORE 66
Quickspin Ark of Mystery
Max Win: 6509x
RTP: 96.53%
 Mystery of Longwei
CGSCORE 64
iSoftBet Mystery of Longwei
Max Win: x
RTP: 97.01%
 Dragons Mystery
CGSCORE 64
Stakelogic Dragons Mystery
Max Win: 8000x
RTP: 96.16%
 Coffee House Mystery
CGSCORE 62
Merkur Coffee House Mystery
Max Win: x
RTP: 96.95%
 Murder Mystery
CGSCORE 66
Playtech Murder Mystery Mystery Joker 6000
CGSCORE 64
Playn Go Mystery Joker 6000
Max Win: 1800x
RTP: 96.97%
 Sorcerers of the Night
CGSCORE 54
Stakelogic Sorcerers of the Night
Max Win: 1000x
RTP: 95.05%
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