Backrooms Lost Unit
Playing now
0+0 vs. yesterday
0.0%of peak
All-time peak
13Jul 2026
Playing now
0+0 vs. yesterday
All-time peak
13Jul 2026
| Published | Kind | Announcement | Build |
|---|---|---|---|
| Game update | Hotfix 0.0.3 #4 Change & Fixes: · Fixed an issue where doors would not close when Shape Shifter Skin Stealers interacted with them. · Fixed an issue where closets would sometimes fail to protect players from entities. · Removed the Smiler section from the Basement level. | — | |
| Game update | Hotfix 0.0.3 #3 Change & Fixes: · Fixed an issue at the end of the Resort level. · Decreased sanity drain in the Metro Station level. · Added extra loot to the Abandoned Office level. · Improved performance across multiple levels through Lumen optimization. · Fixed several sound related issues. I am actively working on tracking down and fixing crashes. If you experience a crash, please contact me on Discord or… | — | |
| Community | Road Map Road Map I'm happy to announce that four new levels are currently in development for the next major update, along with improvements and overhauls to several existing levels. Please keep in mind that everything shown is a work in progress and may change over the course of development. Additional content may also be added before release. | — | |
| Game update | Hotfix 0.0.3 #2 Change & Fixes: · Fixed an issue where the camera bob reduction setting was not working. · Added a new camera bob effect. · Improved FPS performance in Level 0. · Fixed an issue where the Clump entity could become stuck in certain areas. | — | |
| Game update | Hotfix 0.0.3 #1 Change & Fixes: · Decreased the fisheye effect in VHS mode. · Slightly improved FPS in several levels. · Improved network stability, reducing rubberbanding and lag. I am actively working on tracking down and fixing crashes. If you experience a crash, please contact me on Discord or submit a report through the Report a Bug tab in the Settings menu. If possible, include your email address or Disc… | — | |
| Major update | New Level Out NOW DARK POOLS A unit of B.I.F. agents has recently discovered a new sublevel hidden beneath the Poolrooms. This strange liminal area is both beautiful and unsettling, with flooded corridors that seem to stretch on forever. Researchers have classified the area as highly hostile. A previously unseen entity, now known as The Clump , roams these flooded halls, hunting anyone who enters. Your objective… | 24042166 | |
| Game update | Hotfix 0.0.2 #8 Fixes & Changes: · Increased falloff distance for proximity chat. · Improved FPS performance in the Abandoned Office and Resort levels. · Fixed a potential crashed. · Fixed an issue where consuming Potato Chips would sometimes not restore sanity. I am actively working on tracking down and fixing crashes. If you experience a crash, please contact me on Discord or submit a report through the Repo… | — | |
| Game update | Hotfix 0.0.2 #7 Fixes & Changes: - Fixed an issue where players joining an existing lobby couldn't swim. - Added extra loot across several levels. - Greatly reduced camera shake while in spectator mode. - Improved performance in the Hub. I am actively working on tracking down and fixing crashes. If you experience a crash, please contact me on Discord or submit a report through the Report a Bug tab in the Setti… | — | |
| Game update | Hotfix 0.0.2 #6 Fixes & Changes · Added missing collisions in level 0. · Fixed an issue in the Metro Station where a checkpoint could occasionally send players to the wrong location. · Fixed keypads not working for clients in multiplayer sessions. · Fixed an issue where some players could spawn underneath the map in the Electrical Rooms level. · Reduced the number of Humanoids in the Basement level to make gam… | — | |
| Game update | Hotfix 0.0.2 #5 Fix & Changes: Hello everyone! I’m bringing another small patch that fixes a couple of issues. I’m also actively working on new levels and content for the game, and I look forward to sharing more updates soon. Thank you all for your continued support. · Improved voice chat sound quality. · Fixed invisible collision in some levels. · Fixed an issue where options would sometimes not save. · Added… | 23786080 | |
| In-game event | Voice Chat Is Back Voice chat is back after fixing the crashing issues! If your voice chat controls aren't working, make sure you've set up keybinds for both Push to Talk and Mic Always On . | — | |
| Game update | Hotfix 0.0.2 #3 - Fixed an issue where Steam invites would not work properly in lobbies. | — | |
| Major update | The Hub Update Is Here! The Hub Enter the Hub, a safe zone recently discovered by MEG and BIF researchers. The Hub allows you to access any levels you have previously unlocked. Outpost The recently built outpost where researchers are actively exploring nearby areas. You can relax here while waiting for your unit to arrive before heading out to explore together. Change & Fixes - Improved performance across all levels.… | 23663234 | |
| Game update | Hotfix 0.0.2 #2 Fix & Changes: · Fixed an issue where the Ceiling Spider would hide the bodies of players who were not jumpscared by it. · Improved performance across several levels. · Fixed an issue where the spectator mode arrows would fail to switch to the next player. I am actively working on tracking down and fixing crashes. If you experience a crash, please contact me on Discord or submit a report throug… | 23605641 | |
| Game update | Hotfix 0.0.2 Hello everyone! Today I'm releasing Patch 0.0.2 with a number of fixes and improvements to the game. Thank you to everyone who has provided feedback so far. It helps a lot and allows me to continue improving the experience. Don't forget that you can also use the in game Report Bug option found in the Settings menu. Game decreases size: I'm happy to announce that the game's overall size has been… | — | |
| Community | Dev Tip - Tired of constantly dying in the Metro Station due to the Rattlers?? | — | |
| Game update | Hotfix 0.0.1 #10 Fix & Changes: · Fixed a potential inventory crash issue. · Fixed an issue where, in Spectator Mode, a dead player could alter the audio settings of the player being spectated. · Removed debug clocks from the Void Level that were accidentally left in the game If you experience any issues or crashes, please report them using the Report a Bug tab in the Options menu or contact me on Discord. | — | |
| Game update | Hotfix 0.0.1 #9 Fix & Changes: - Added a missing interaction outline to the generator cables in the Basement level. - Gremlin entities can no longer kill players through walls or other objects. - Fixed an issue where the mouse cursor would disappear after opening the Options menu while in Spectator Mode. - Fixed missing collision on several walls. - Added a trigger box in Level 0 after the Pitfalls section to… | — | |
| Game update | Hotfix 0.0.1 #8 Fix & Changes: - Removed the cars from the Parking Level and replaced them with lockers, as the cars were causing instability and various bugs. - Fixed an issue with Spectator Mode. - Restored several missing textures. - Fixed an issue where the Death Spider could kill players through walls. - Increased the amount of sanity restored by various consumable items. | — | |
| Game update | Hotfix 0.0.1 #7 Fix & Changes: · Improved performance in some levels · Fixed an issue where the host could start a game without selecting a level · Added extra VHS tapes in the Resort level · Fixed a potential crash issue in the Void level · Added missing sound attenuation to some audio sources · Fixed an issue where the Rattler entity could sometimes not hear throwable cans | — | |
| Game update | Hotfix 0.0.1 #6 Hello everyone! Today I’m bringing a new patch with several fixes and adjustments focused on improving the overall experience. I really appreciate all the feedback and suggestions you’ve been sharing since they continue helping shape the game and make it better with each update. One of the bigger changes in this patch fixes an issue with entity interactions. The Skin Stealer and Rattlers can no… | 23419416 | |
| Game update | Hotfix 0.0.1 #5 Fix & Changes: · Added extra safe locker spawns · Changed invites so players can only be invited by the host · Reduced texture quality on some meshes to improve performance · Reduced the trigger area for the Death Smiler jumpscare box · Fixed an issue where the Skin Stealer would not properly overlap with the player to trigger the jumpscare | — | |
| Game update | Voice Chat Temporarily Disabled Hello everyone, I received reports from some players experiencing crashes related to voice chat. To prevent further issues and improve stability, voice chat has been temporarily disabled while I investigate and work on a fix. I apologize for the inconvenience this may cause and appreciate your patience and support while I get this resolved. I’ll provide an update as soon as a fix is ready. | — | |
| Game update | Hotfix 0.0.1 #4 Hello everyone, today I’m releasing another small patch with some gameplay adjustments and improvements. Thank you for all the feedback you've been giving, it really helps improve the game. Fixes & Changes: - Added extra parking tickets in the Parking Level. - Increased the size of parking tickets to make them easier to spot. - Reduced sanity drain in the Parking Level. - Improved performance i… | 23386760 | |
| Game update | Hotfix 0.0.1 #3 Today I bring another patch. Thank you to everyone who has been giving feedback and reporting issues. It really helps shape the game and catch things that slip through. I’m constantly reading your feedback so we can continue improving the game together. Fixes & Changes: - Removed the annoying ladder during the bacteria chase sequence in the Research Station level. - Fixed an issue where the Dea… | — | |
| Game update | Hotfix 0.0.1 #2 Today I bring another small patch update. Thank you to everyone who reported issues and shared feedback to help improve the game. Fixes and changes: • Increased the stamina refill speed so it recovers faster. • Fixed an issue where clients could infinitely pick up items in the Parking Level and Basement Level. • Added additional green safe lights throughout the Basement Level. • Changed how the… | — | |
| Game update | Hotfix 0.0.1 Thank you to everyone who purchased the game so far! Hotfix 0.0.1 fixes a few launch day issues. Thanks for an amazing first day of Early Access support! Fixes: • Fixed a lighting issue in the Abandoned Office level • Fixed a collision issue in the Metro Station level • Added extra Almond Water in the Parking level | — |
Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.