Backrooms Lost Unit Playtest
Playing now
0+0 vs. yesterday
0.0%of peak
All-time peak
39 Oct 2026
3 announcements · from Backrooms Lost Unit Playtest’s Steam news feed
All gamesRead every half hour while active
Hotfix 0.0.4Improved performance in the Research Station and Basement levels. Fixed a potential issue where the Smiler could spawn randomly inside green light areas in the Basement level. Reduced the number of Rattlers in the Metro level. Adjusted Empty Can throw aim to better match the player’s view. Fixed an issue where Empty Cans and Molotovs could sometimes pass through walls when thrown. Fixed an inve…Hotfix 0.0.3Research Station screen codes now stay visible longer before switching. · Fixed an issue where Bacteria would chase the player even when outside of sight range. · Reduced sprint head bob intensity for smoother movement. · Fixed incorrect spawn location of the Blue Valve in the Poolrooms.