Backrooms Lost Runners

Backrooms Lost Runners is a cooperative survival-horror from ShimStudioGames that places emphasis on team play, stealth and environmental puzzles. Players explore liminal, dimly lit corridors and abandoned camps where entities react to sound, light and movement; voice chat can alert threats. The game includes a sanity system that worsens in darkness and a Tesseract Afterlife mechanic that alters play after death. Available in Early Access for Windows and released on Jun 17, 2026, the project supports single-player and online co-op, Steam achievements and Family Sharing. Resource management, coordinated problem solving and quiet movement are core to staying together and surviving.

$12.59 Windows Action Jun 17, 2026 78% Positive (295 reviews)

$12.59 View on Steam

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Backrooms Lost Runners Features

Cooperative survival focus

Survival depends on team play: share resources, split tasks and coordinate via voice to solve puzzles and manage encounters.

Voice-reactive entities

AI threats respond to sound, light and movement; vocal noise can reveal your position and trigger dangerous behavior.

Environmental puzzles

Explore abandoned camps and liminal corridors to find clues and solve puzzles that require cooperation and environmental interaction.

Sanity system

Darkness, isolation and supernatural events affect sanity; staying near light or heat slows sanity loss and influences the environment.

Tesseract Afterlife

Death leads to a surreal Tesseract realm that changes how the game continues for that character, altering post-death play.

Windows Early Access and extras

Available in Early Access on Windows (released Jun 17, 2026). Supports single-player, online co-op, Steam achievements and Family Sharing.

Backrooms Lost Runners Quick Facts

Single-player

Online Co-op

Steam Achievements

Family Sharing

Frequently Asked Questions

Which platforms does the game support?

Backrooms Lost Runners is available on Windows. Supported OS information lists Microsoft Windows 10 64-bit for both minimum and recommended specs.

Does it have single-player and multiplayer options?

Yes. The game supports single-player and online co-op. It also includes Steam Achievements and Family Sharing among its gameplay features.

How do the voice-reactive threats work?

Entities react to sound, light and movement. In-game voice chat and other audible actions can attract threats, so silence and careful use of light are important survival tools.

What languages and audio options are available?

Interface and subtitles are available in multiple languages including English, French, Italian, German, Spanish (Spain and Latin America), Simplified and Traditional Chinese, Korean, Polish, Portuguese (Brazil) and Vietnamese. Full audio is available in English only.

What are the system requirements, price and reception?

Minimum: Windows 10 64-bit, i5-3570 3.4 GHz (or AMD equivalent), 8 GB RAM, GTX 1050 Ti, 6 GB storage. Recommended: Windows 10 64-bit, i7-7700K 4.2 GHz (or AMD equivalent), 16 GB RAM, RTX 3060, 6 GB storage. Current price is $12.59 (listed with a -10% discount); the game has an 87% positive rate from 100 reviews.