Patch notes
v1.1.3Hotfix v1.1.3 [8045]
Fixes The fool's ghost tip now shows in the ghost arcade.
Read patch notesSteam
Project Unknown
Also known as Project Unknown, project unknown, project-unknown
An online co-op horror game featuring unique playable characters and RPG mechanics. Exorcise ghosts using your special abilities and tools while surviving the supernatural onslaught
Last update
29 May 2026
Players now
21
Latest update
Update history
Browse past updates and patch notes for this game.
20 updates
May 2026
- Changes Made teleportation prioritize rooms without ghosts - Added footstep sounds to The Patient and The Fool Fixes Fixed issue for audio loss - Fixed issue with duplicate Zays - Fixed a bug where gifts in endless game…Store
- Changes Major change to The Fool special behavior - The Fool will not start a haunt if there are no players within the house - Major refactor for the revive dolls to increase their reliability - Portable cupcake now sca…Store
- Fixes Fixed bug with lantern getting stuck in the vending machine Fixed bug with night vision drink not working after revivePatch notes
- Changes NEW GHOST: The Fool. Information about them in the Ghost Station is pending analysis, all of the exorcist community must fight against him for it to reach 100%! NEW TOOLS Noctua. A potent energy drink that lets…Patch notes
October 2025
- Changes Re-enabled Widow (for real this time) Updated Korean translation Made recently played against ghosts to become less common so its much less likely to play against the same ghost over and over. Fixes Fixed a disc…Patch notes
- Changes Re-enabled Widow Added a random button on the map selection board Increased the chance to play against the Patient slightly so its more likely to experience the new ghost Updated Russian translation Fixes Fixed…Store
- Changes Re-enabled Endless gamemode map change curse (Spirited Away). Fixes Fixed bug where Thick and Thin still shows on the curse list even after being removed when one of the players dies Fixed falling through the ma…Patch notes
- ReleaseStreaming the game
- Release Update v1.0.0Changes Added the new Japanese themed map, Yaku Estate. Added a new ghost, The Patient, a gaunt man wrapped in bandages who's extremely sensitive to sound! Opened the second floor of the lobby, including some fun easter…
September 2025
- Achievements Update v0.10.0Changes Added Achivements to the game! Made some tweaks to make special behaviors occur more frequently for ghosts. Added an Endless gamemode perk Let There Be Air to cleanse all Miasma in the map Added Turkish localiza…
June 2025
- Changes Chain from the Thick and Thin curse now breaks if either of the players die. Players now teleport together if they're chained together Some small changes for the loudness/quality of the round end burning scream…Store
Gallery
In-game media
Achievements
Community progression
Top picks from 30 Steam achievements, sorted by player unlock rates.
- It's Occupied!Trigger a haunt by staying in a shrouded room with the Shadow17.8%
- Tip Of The IcebergWin a game on normal difficulty17.0%
- You’re It!Get caught by the Twins during hide and seek15.3%
- Thief!!Have a tool stolen by the Hoarder14.5%
- If You Gaze...Triggered a haunt by staying in the dark for too long13.4%
- I Don't Get Paid Enough For ThisLeave a game early12.9%