Mysterium
| App ID | 556180 |
| App Type | Game |
| Store Name | Mysterium: A Psychic Clue Game |
| Developer | Twin Sails Interactive, Playsoft |
| Publisher | Twin Sails Interactive |
| Franchise | Twin Sails Interactive |
| Supported Systems | Windows |
| Technologies | Unity Engine |
| Last Changenumber | 31514461 |
| Last Record Update | 6 October 2025 – 21:34:57 UTC ( |
| Release Date | 12 January 2017 – 09:19:30 UTC ( |
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.
Additional Information
| Developer | Twin Sails Interactive | |||||||||||||||||||||||||||
| metacritic_name | Mysterium | |||||||||||||||||||||||||||
| DLCAvailableOnStore | Yes | |||||||||||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||||||||||
| Publisher | Twin Sails Interactive | |||||||||||||||||||||||||||
| eulas |
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| Store Release Date | 12 January 2017 – 09:20:00 UTC ( |
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| osarch | empty string | |||||||||||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||||||||||
| 3rd-Party Account | Asmodee Digital | |||||||||||||||||||||||||||
| Social Media | https://x.com/TwinSailsInt https://www.youtube.com/@twinsailsinteractive/ |
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| Primary Genre | Strategy (2) | |||||||||||||||||||||||||||
| Store Genres | Strategy (2) | |||||||||||||||||||||||||||
| Steam Release Date | 12 January 2017 – 09:19:30 UTC ( |
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| Store Asset Modification Time | 2 November 2022 – 17:08:03 UTC ( |
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| library_assets |
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| review_score | 6 | |||||||||||||||||||||||||||
| review_percentage | 76 | |||||||||||||||||||||||||||
| Detected Technologies (?) | Unity Engine, Protocol_Buffers SDK | |||||||||||||||||||||||||||
| Steam Deck Compatibility |
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| controllertagwizard | Yes | |||||||||||||||||||||||||||
| First seen on SteamDB | 9 November 2016 – 12:29:11 UTC ( |
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Supported Languages
| 7 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| French | Yes | Yes | |
| Italian | Yes | Yes | |
| German | Yes | Yes | |
| Spanish - Spain | Yes | Yes | |
| Russian | Yes | Yes | |
| Ukrainian | Yes | Yes |
Tags
Categories
Single-player
Online PvP
Online Co-op
Cross-Platform Multiplayer
In-App Purchases
Family Sharing
Multi-player
Co-op
PvP
Assets
Load all asset images
| trailer_name | Mysterium - Short Trailer |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 256677801/movie480.webm |
| video/mp4 | 256677801/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 256677801/movie_max.webm |
| video/mp4 | 256677801/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 556180/86428/f31e48d078c7ee3f78e2898326264467148f1b41/1751301553/microtrailer.webm |
| video/mp4 | 556180/86428/f31e48d078c7ee3f78e2898326264467148f1b41/1751301553/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 556180/86428/f31e48d078c7ee3f78e2898326264467148f1b41/1751301553/dash_av1.mpd |
| dash_h264 | 556180/86428/f31e48d078c7ee3f78e2898326264467148f1b41/1751301553/dash_h264.mpd |
| hls_h264 | 556180/86428/f31e48d078c7ee3f78e2898326264467148f1b41/1751301553/hls_264_master.m3u8 |
| screenshot_medium | 256677801/movie.293x165.jpg |
| screenshot_full | 256677801/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 12 January 2017 – 09:52:36 UTC |
Steam charts
-
- 0 players right now
- 19 24-hour peak
- 470 all-time peak
9 May 2020
SteamDB.info
Initializing Steam charts…
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Owner estimations
- ~34.0 k by Gamalytic
- ~774.9 k by PlayTracker
Monthly players breakdown
Initializing Steam charts…
| Month | Peak | Gain | % Gain | Average | Avg % Gain |
|---|
Steam hub followers history
Initializing followers chart…
User reviews history
Markers
| Date | Label | 30-day Peak |
|---|---|---|
| 12 January 2017 | Steam Release | - |
| 11 August 2017 | 🆓 Free key giveaway | - |
| 28 August 2018 | ⇄ Humble Bundle: Humble Digital Tabletop Bundle | - |
| 12 October 2018 | ⇄ Chrono.gg: Asmodee Digital - Board Games Bundle | - |
| 26 November 2018 | 🆓 Free key giveaway | - |
| 13 February 2019 | ⇄ Fanatical: Tabletop Bundle | - |
| 23 April 2019 | ⇄ Humble Bundle: Humble More Board Games Bundle by Asmodee Digital | - |
| 24 May 2019 | ⇄ Fanatical: Tabletop Bundle | - |
| 7 May 2020 | ⇄ Humble Bundle: Humble Asmodee Digital Play With Friends Bundle | - |
| 11 November 2022 | ⇄ Humble Bundle: Complete Your Twin Sails Collection: 7 Tabletop Classics | - |
Suggest new noteworthy markers in our Discord #forum.
How many players are playing Mysterium right now on Steam?
Steam player counter indicates there are currently 0 players live playing Mysterium on Steam.
Mysterium had an all-time peak of 470 concurrent players on 9 May 2020.
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