Project Unknown

First-person co-op horror about finding cursed objects and exorcising ghosts

PsychoRavens · Published by Nightmare Studios · Released Oct 10, 2025

Reviews: Very Positive; 83% of 925
Recent reviews: Not enough recent
Playing now: 6; peak 24h 9
Steam Deck: Playable
Last update: 4 months ago; May 11, 2026

What is Project Unknown?

In this first-person horror game, you take jobs clearing haunted properties so clients can sell them. Alone or with others online, you observe ghost behavior, use tools to find cursed belongings, and exorcise the ghosts while managing limited lighting and spreading miasma.

For you if...

+you like searching haunted houses with friends
+you enjoy using different character abilities against ghosts

Not for you if...

−you dislike darkness and limits on house lighting
−you want horror without sudden scares

What players say

83% of 925 reviews are positive

Players praise the scares and the fun of playing with friends. Common complaints include repetitive object searches and confusing mechanics; some players also report bugs that can block progress.

Screenshots and trailer

Project Unknown system requirements

As published by the developer.

Minimum

OS: WINDOWS® 7, 8, 8.1, 10 (64-BIT Required)
Processor: Intel® Core™ i5-3470 or AMD Ryzen™ 3 1200
Graphics: NVIDIA® GeForce® GTX 760 2GB / AMD Radeon R9 280 3GB
Memory: 8 GB RAM
Storage: 9 GB available space
DirectX: Version 11

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 30
Steam features: Family Sharing

Steam Deck: Playable

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Languages

Full audio: English, French, Italian, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Portugal, Russian, Simplified Chinese, Ukrainian, Finnish, Traditional Chinese, Slovak.