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Steam invites are back again. Server list wont work until I add a new lobby system.
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The Backrooms Experiment
Also known as The Backrooms Experiment, backrooms experiment, be
The Backrooms Experiment is a co-op walking simulator with horror and thriller elements. Find your way in Backrooms, avoid the entities, cheese entities with voices, explore the levels, cooperate with your friends, and most importantly, do not die.
Last update
16 May 2026
Players now
0
Latest update
Update history
Browse past updates and patch notes for this game.
20 updates
May 2023
- Multiplayer InvitesIf you have problems with inviting your friends from steam, use TAB key to invite your friends. It also added to controls graffities in level 0.
April 2023
- Public Lobbies DisabledPublic lobbies disabled, you can still play with your friends. New lobby creator will be added to game with public option soon.
- Patch 14.3-Level 37.1 not dying void bug fixed -Level ! monsters are now slower and there is no longer a crouch obstacle so it should be easier now. -Level 188 doors are now much lighter and easy to open. -Level 4 bug which cause…
- Patch 14.2-Fixed a bug in level 3 causes hounds stuck on door and make it impossible to enter the room. -Fixed a bug causes the faceling in level 4 bugging in doors.
- Patch 14.2-Fixed a bug in Level 4 that causes unopenable doors open when you jump near them.
- Update 14.1Update re-released, level 37.1 spawn bug fixed.
- Update 14 "The Deep End"-Dark sector of Poolrooms removed, now you will teleport into level 37.1 instead. -New entity in Level 37.1. -Objectives in level 37.1. -Water walking sound effects(yeah now it isnt making noises like you are still walk…
- Upcoming Level 37.1 "The Deep End" Update (Release 08.04.2023)-Added keybindings for flaslight, whistle, crouch and vhs overlay. -Dark sector of Poolrooms removed, now you will teleport into level 37.1 instead. -New entity in Level 37.1. -Objectives in level 37.1. -Water walking s…
- Patch 13.1-The entity in level 4 can no longer kill you from distance. -Several multiplayer fixes.
- Update 13-Level 1 is much bigger now, and key card spawn point is randomized. -Level 2 roadblock is now passable without vent. -Level 1-2 entrance fixed.
- Patch 12.5 Dead Update-When you die, you will turn into a mini wanderer, but you cant interact with doors, buttons and entities. You can only walk around. -Level 1 is a bit bigger now. -Doors on level 4 fixed, they are no longer openable by…
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