
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.
Only Proton reports exist so far.
Last report Mar 1, 2023
All reports predate Proton 9.0 (May 1, 2024) — freshness is marked “Needs confirmation”.
10 reports · Low confidence: all reports predate a major ecosystem update.
No native Linux build — Proton only
No anti-cheat reports yet
Most of this is historical ProtonDB data (newest from Mar 1, 2023) and needs a fresh report to confirm it still holds.
Add a fresh reportShowing 10 of 10 reports
End of reports