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Backrooms Lost Runners Demo

App ID 3971460
App Type Demo
Developer
Publisher ShimStudioGames
Supported Systems Windows
Technologies Unreal Engine
Last Changenumber 31914046
Last Record Update 26 October 2025 – 23:21:03 UTC ()
Release Date 11 October 2025 – 23:08:59 UTC ()
Parent App Backrooms Lost Runners (3072120)

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.

Screenshots

Additional Information

This demo is excluded from Steam Family Sharing because: This content type cannot be shared

Developer ShimStudioGames
ReleaseState released
Publisher ShimStudioGames
Exclude from family sharing (exfgls) 6 (This content type cannot be shared)
Store Release Date 11 October 2025 – 23:08:59 UTC ()
osarch empty string
Primary Genre Indie (23)
Store Genres Action (1), Adventure (25), Casual (4), Indie (23), Massively Multiplayer (29)
Steam Release Date 11 October 2025 – 23:08:59 UTC ()
Store Asset Modification Time 22 October 2025 – 16:39:20 UTC () (1761151160)
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Is free on the store? Yes
review_score 7
review_percentage 95
Detected Technologies (?) Unreal Engine, Intel_oneTBB SDK, NVIDIA_DLSS SDK, NVIDIA_DLSS_FrameGen SDK, NVIDIA_Nsight_Aftermath SDK, NVIDIA_Reflex SDK, NVIDIA_Streamline SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK
controllertagwizard Yes
First seen on SteamDB 19 August 2025 – 22:32:50 UTC (), in changelist #30680385

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes Yes Yes

Categories

Accessibility Categories

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timestamp24 October 2025 – 08:18:47 UTC
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