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Backrooms: Facility Unknown
#2750970Backrooms: 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.
Recommendation
ProtonPerfect
Needs confirmationLow confidence
Only Proton reports exist so far.
Last report Oct 26, 2025
Compatibility
Proton
Perfect
Needs confirmationLow confidence
1 report · Low confidence: very few recent reports yet.
NativeNone
No native Linux build — Proton only
Anti-cheatUnknown
No anti-cheat reports yet
Reports(1)
Most of this is historical ProtonDB data (newest from Oct 26, 2025) and needs a fresh report to confirm it still holds.
Add a fresh report