# Mysterium: A Psychic Clue Game

Summer DB entity ID: a389218a\-843d\-4661\-8d6e\-de41a805318a

Steam App ID: 556180

The official adaptation of the famous board game Mysterium\!    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\. Choose your way to play: take on the role of the ghost who gives others clues, or as one of the psychics trying to decipher the abstract "Vision Cards"\.    In this digital version, you will find:  • A Pass & Play mode  • A faithful adaptation of the original game with gorgeous graphics  • A game variant with or without clairvoyancy  • Additional cases and dream cards from expansions in the in\-game shop  • A story mode to discover the background of each psychic  • Solo play with AI partners  • Multiplayer support up to 7 players using online \(cross\-platform: tablet / mobile / computer\)  • Worldwide Leaderboards    Languages available: English, French, Italian, German, Spanish, Russian, Ukrainian\.

## Game information

- Type: game

- Developer: Twin Sails Interactive, Playsoft

- Publisher: Twin Sails Interactive

- Release date: Jan 12, 2017

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Strategy

- Categories: Single\-player, Multi\-player, PvP, Online PvP, Co\-op, Online Co\-op, Cross\-Platform Multiplayer, In\-App Purchases, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/556180/ss\_39bef4f0ea35d2b7826d69af8d93f24f5b264da7\.1920x1080\.jpg?t=1741270717, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/556180/ss\_888434f674b2ad1ea4ca46e42b5446cb9e6b18b8\.1920x1080\.jpg?t=1741270717, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/556180/ss\_3b5a770fdb5d3f12da9f14df2291018838276619\.1920x1080\.jpg?t=1741270717, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/556180/ss\_07bf2de8139ec958a8facdec84032e3504ffdc65\.1920x1080\.jpg?t=1741270717, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/556180/ss\_52352147468ddca11e81c99fff11b59dbaf10297\.1920x1080\.jpg?t=1741270717

- Price: 699 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 0

- Steam review count: 923

- Steam positive reviews: 693

- Steam negative reviews: 230

- Steam positive percentage: 75.08125677139762%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/a389218a-843d-4661-8d6e-de41a805318a/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/a389218a-843d-4661-8d6e-de41a805318a/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-24T19:57:04\.362365\+00:00

- Details observed: 2026\-09\-22T16:39:41\.366241\+00:00

- Player count observed: 2026\-09\-22T16:39:44\.648157\+00:00

- Reviews observed: 2026\-09\-22T16:39:44\.404424\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/556180/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/556180/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=556180","reviews":"https://store\.steampowered\.com/appreviews/556180"\},"price":"2026\-09\-22T16:39:41\.366241\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-22T16:39:41\.366241\+00:00","players":"2026\-09\-22T16:39:44\.648157\+00:00","reviews":"2026\-09\-22T16:39:44\.404424\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"c8acbb65\-cb88\-47ae\-9351\-71e9c94214cd","catalog":"069acba6\-f8e7\-4835\-bdcc\-200ff951f2b5","details":"946204ab\-6c69\-4591\-83fc\-0bc4640ce191","players":"6b6f2861\-1b00\-4748\-9f2b\-809872255eba","reviews":"b32e2d36\-064e\-4b92\-9f4e\-824f764d4b9b"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"a389218a\-843d\-4661\-8d6e\-de41a805318a","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/556180/) · [JSON](/api/v1/games/a389218a-843d-4661-8d6e-de41a805318a)