Mysterium: A Psychic Clue Game
Mysterium: A Psychic Clue Game
Live player count and Steam charts
positive · 918 reviews
24h low 024h high 12
Mysterium is a cooperative deduction game set in the 1920s in which a ghost guides a group of psychics to uncover a murderer, as well as the weapon and location of the murder, using only visual clues.
DeveloperTwin Sails Interactive, Playsoft
PublisherTwin Sails Interactive
ReleasedJan 12, 2017
Runs onWindows
Steam hardwareSteam Deck Verified · SteamOS Playable · Steam Machine Verified
Price$6.99
Player history
2018202020222024
Each point is the highest number of players online in that month (UTC). History before July 14, 2026 is imported; everything after is our own readings. Zoom in for finer detail.
Monthly player counts
* current month, data so far
| Month | Avg players | Gain | % gain | Peak |
|---|---|---|---|---|
| Jul 2026 * | 4 | -1 | -20.0% | 26 |
| Jun 2026 | 5 | +1 | +25.0% | 31 |
| May 2026 | 4 | -1 | -20.0% | 26 |
| Apr 2026 | 5 | 0 | 0.0% | 22 |
| Mar 2026 | 5 | -8 | -61.5% | 22 |
| Feb 2026 | 13 | +2 | +18.2% | 81 |
| Jan 2026 | 11 | +9 | +450.0% | 62 |
| Dec 2025 | 2 | -3 | -60.0% | 14 |
| Nov 2025 | 5 | 0 | 0.0% | 33 |
| Oct 2025 | 5 | +1 | +25.0% | 26 |
| Sep 2025 | 4 | 0 | 0.0% | 23 |
| Aug 2025 | 4 | 0 | 0.0% | 24 |
* current month, data so far
Recent updates
via Steam
- Jan 8, 2018Scheduled Maintenance Operation on January Tuesday 9th 2018
- Jan 8, 2018Scheduled Maintenance Operation on January Tuesday 9th 2018
- Nov 22, 2017List of updates in version 2.3.5
- Nov 22, 2017List of updates in version 2.3.5
- Sep 7, 2017Updates in version 2.2.1
- Sep 7, 2017Updates in version 2.2.1
Audience
English
74%
Russian
6%
French
5%
Polish
4%
German
2%
Spanish (Spain)
2%
Other
6%
Language mix of 100 Steam reviews spanning 546 days — a rough proxy for where the player base is.
