Backrooms Lost Runners strips away passive observation in favor of genuine survival tension, where your voice literally matters—whispered callouts to teammates can alert hostile entities lurking in the procedurally-warped hallways. The co-op puzzle design demands coordination and silence management alongside traditional problem-solving, creating a horror experience that punishes careless communication as harshly as poor tactics. Best suited for groups willing to play seriously and speak carefully.
About this game
Backrooms Lost Runners is a co-op survival horror with team play, voice-reactive AI, and immersive puzzles. This isn’t a “walking simulator”: explore liminal spaces, outsmart entities, and remember—even a whisper can give you away.
Players, last 37 days
Peak 43 · Low 0
Daily peak concurrent players, sampled once a night from Steam.
What players are saying
▲ Recommended1 hrs
Finally a backrooms story that is a legitimate campaign experience that can be shared with friends, that isn't just a co-op walking simulator, essentially. Hoping this will be a great story-driven game. Keep doing what you're doing so far, because it's great from what little I've played so far.
== Ongoing Review Updates == - Great graphics 8️⃣ - Physics and walking just feel great 9️⃣ - Weapons/Crafting is on point 8️⃣ - Environment flows nicely 9️⃣
💡My only ask as of right now is to add "Toggle Crouch" option in the settings.
⭐The fact that I'm strict about only buying "overwhelmingly positive" games only, this game feels like it definitely has that potential. If it didn't, I would've left after 20 minutes but I'm still here. So I'm stoked.
HotfixFixesFixed a softlock related to restoring power to the main code lock on Level 0.Fixed collision issues on several objects in the procedurally generated area of Level 0.Fixed incorrect power cable directions.ChangesAdded two safe zones to the Dark Zone. Thank you to everyone who submitted bug reports - your feedback helps us find and fix issues much faster.Stay tuned for more updates and news in our Discord.
UPDATE 0.5 IS HERE Runners, Update 0.5 is finally here.This is one of the biggest updates we have released for Backrooms Lost Runners so far. We have added entirely new systems and content while also reworking many existing parts of the game.Procedural generation, new areas, new entities, new hazards, major progression and balance changes, a completely reworked sound detection system, improved voice chat, lighting changes, fixes, and much more. We strongly recommend starting a new playthrough with Update 0.5.Old save files are officially not supported and may cause broken events, incorrect progression, missing objects, or other issues due to the scale of the changes made to the game.Starting with Update 0.5, future save compatibility will be supported. • Added a completely new procedural level generation system, creating different layouts and routes between playthroughs.• Added the Spray Can, allowing players to leave their own markings on walls and use them to navigate large and procedural areas.• Added new areas to Level 0, greatly expanding the amount of space available for exploration.• Added new areas and content to the Dark Zone.• Added new entities and hazards throughout the Backrooms.• Added Moth Eggs that react to player-generated noise and can spawn Moths when disturbed.• Added new gameplay scenes, encounters, events, and progression sequences.• Added additional navigation elements and environmental hints to several areas.• Added and improved the in-game text chat for co-op players.• Completely reworked the lighting across many areas, improving atmosphere, visibility, and the overall visual presentation of the game.• Reworked the difficulty and behavior of the Smiler to make encounters more balanced and consistent.• Significantly changed Moth behavior and their reactions to players.• Reworked several existing entities and how they interact with players and the environment.• Completely reworked the system responsible for detecting sounds created by players....
Hello, Runners!Our team is actively working on bug fixes, gameplay improvements, and new content for the game.Many of you have shared feedback about bugs, technical issues, and other rough edges. We truly appreciate every report and are working hard to fix these problems and improve the overall experience. Unfortunately, this process takes time, but your feedback directly helps us make the game better.At the same time, we are expanding existing levels with additional areas to explore, more varied routes, and new gameplay sequences. What's Coming in the UpdateEpisode 0Level 0 expansion. Selected areas of the level will now feature procedural generation with unique seeds and layout patterns. Each new game will generate a different version of these areas.A new puzzle and several short gameplay sequences have been added to the level.Episode 1The Dark Zone has been reworked. The routes leading to the first and second levers have been redesigned.New areas and more interesting routes have been added.The visuals have been updated to create a stronger liminal atmosphere.More parkour sections and dynamic traversal elements have been introduced.Level 1 has received smaller changes to several routes and puzzles.Spray paint has been added in two variants: standard black paint and multicolored glow-in-the-dark paint.A new entity has been added: Regular Bacteria, featuring new AI designed for procedurally generated areas.Many new Easter eggs inspired by the original Backrooms have been added.Fixes Included in the UpdateFixed an issue that caused keys to disappear from car trunks.Fixed Alpha Bacteria falling through the environment or becoming stuck.Fixed FPS drops caused by Alpha Bacteria on Level 1.Reworked and simplified the Smiler's AI to make its behavior more stable and reliable.Still in DevelopmentGameplay balance adjustments. Crafting will play a larger role, and resources will become scarcer throughout the game.Level-design fixes for areas where players could become stuck....
Posts come from Steam's official announcements feed.
