Backrooms: Facility Unknown
Backrooms: Facility Unknown - Is a co-op horror game about exploration of dangerous liminal spaces. Wander around the complex alone or with friends. In any case, your task is to do your job and survive.
Co-op Features
About
Developed by Triple E Games, Backrooms: Facility Unknown is an Adventure and Indie game that came out in 2025 for PC (Windows).
You can play together using Online co-op.
Description
Play in co-op with friends or with random players.
Use various devices that will help you survive the mission
In-game voice chat will help you complete your tasks, but be cautious enemies can also hear you
Levels with unique mechanics
Beware of entities that can harm you
The boundaries of the mind are blurred, keep an eye on the level of sanity
Complete the tasks and extract
Use various devices that will help you survive the mission
Proceed carefully, each step may be the last
Be vigilant in the face of danger
Screenshots
