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Watch trailer on Steam ↗Backrooms: Facility Unknown
Triple E Games · Published by Triple E Games
Content notice: The game contains blood and violence. The game may scare you. The game also has an unmoderated voice chat, which all players have access to.
Mixed — 54% positive (41 reviews)
Last updated 28 Sept 2026
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.
£6.69
Lowest price we've ever recorded
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Price history
Action, Adventure, Indie, Massively Multiplayer, Early Access · 2025 · More £5 - £15 games
Embark on a perilous journey through Facility Unknown's ever-changing labyrinth. Collaborate or go solo to uncover the secrets of this hauntingly vast space, where every turn could lead to new dangers.
About this game
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
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5-8400 or AMD Ryzen 5 2600
- Memory: 16 GB RAM
- Graphics: NVIDIA GeForce GTX 1050Ti or AMD Radeon RX 570
- DirectX: Version 12
- Network: Broadband Internet connection
- Storage: 4 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5-10400 or AMD Ryzen 5 3600
- Memory: 16 GB RAM
- Graphics: NVIDIA GeForce GTX 1660 or AMD Radeon RX 5600
- DirectX: Version 12
- Network: Broadband Internet connection
- Storage: 4 GB available space
Supported Languages
Latest news
Patch NotesOfficial
Third hotfix + Small Halloween update has been released
Fixed:- Portal causes the game to freeze.Let us know if you're still experiencing any problems with it.- Bacteria cannot reach crouching player in the corner.Additions:- Halloween decorations in the lobby.- Lockers for hiding on Level_1. If you encounter any bugs, please report them in our DiscordRead full article on Community Announcements (DINNKA)Patch NotesOfficial
Second hotfix has been released
First hotfix had no patch notes, so here's a general patch note. Portal issue should be partially fixed. We're still investigating this issue, sorry about that.Skinstealer got his chase sfx back.Bacteria no longer freeze for no reason and should be a bit smarter.Public servers now available.Added a light bulb displaying the status of the lever in the lobby. If you encounter any bugs, please report them in our DiscordRead full article on Community Announcements (DINNKA)AnnouncementsOfficial
BACKROOMS: FACILITY UNKNOWN AVAILABLE NOW!
Backrooms: Facility Unknown is now available in Early Access!🎉After more than a year of active development, we have finally reached the Early Access release of the game. This path was not easy, we took on a fairly complex game with zero experience in game development. There's more to come! Version 0.2 won't be long in coming. Stay tuned! Join our community in Discord! There you can share your impressions about the game and discuss it with other people. If you encounter any errors, please report them in our bug-reports channel. Only with your support we can create the best Backrooms game possible. Thank you all so much for your support!❤️Read full article on Community Announcements (DINNKA)Patch NotesOfficial
DEMO UPDATE v0913
Improved mechanics:Implemented network prediction for sprinting and crouching• Now clients won't have a delay and teleports when moving due to ping.• We will gradually implement this system for most game interactions to provide smoother gameplay in co-op.Player tablet• Added a description for each objective. Now you don't have to guess what to do.• All objective titles have been updated.• Inventory row deleted.• Now, you will not receive a task to blind an entity with a UV flashlight if you have not unlocked it.• Adjusted rewards and removed one meaningless objective.Now you can put items away from your hands.New stuff added:Computer objective unique interact animation.Generator fail sfx.Minor visual changes.Optimization:Slightly reduced VRAM usage.Fixes:Lobby ambient event desync.Random holes in the floor and walls on Level 0.Jukebox effect desync.Bacteria always knew where the player was.Bacteria camping players in hiding places.Delaminating anomalies not being replicated.New languages added:PolishPortuguese, BrazilianChinese Simplified JapaneseThe above languages have been translated using machine translation, as well as many others already added to the game. Please help us with the translation of the game on our CrowdinIf you encounter any bugs, please report them on our Discord server: https://discord.gg/nxqYKahscGRead full article on Community Announcements (DINNKA)Patch NotesOfficial
UPDATE v0829
New stuff added:Entity Bestiary:• You can find it on the first computer, in the corresponding tab.• The bestiary contains a brief description of the monster, its habitat, weaknesses, and a comment from scientists who have previously met it.An audio alert when completing an objective.A new ambient effect to the portal room.Now you can open images on lobby computers.Minor player model additions. (Numbers on the back and glow sticks will be added later)AFK idle animation.Character buffs:Reduced stamina consumption from running.Reduced stamina consumption based on level of sanity.Bacteria nerfs:Bacteria will now spawn later after the player enters the portal.Bacteria now forgets the player's location faster after a chase.Bacteria now uses ventilations less frequently.Fixed:Point finger emote wasn't replicating.Several computer UI inconsistencies.The ability to spam the portal start lever. If you encounter any bugs, please report them on our Discord server: https://discord.gg/nxqYKahscGRead full article on Community Announcements (DINNKA)
