后室迷失之境Backrooms:The Lost
| App ID | 2999000 |
| App Type | Game |
| Store Name | 后室迷失之境Backrooms：The Lost |
| Developer | Golden Trees黄金树 |
| Publisher | Golden Trees黄金树 |
| Supported Systems | Windows Linux |
| Last Changenumber | 31096664 |
| Last Record Update | 13 September 2025 – 18:10:19 UTC ( |
| Release Date | Q1 2026 |
A [Puzzle game] + [escape room] backrooms game;You are FBI agent Tommy.Unfortunately, he fell into the back room during a disappearance case.Random mazes, physical dangers, and the pressure of liminal spaces,Can you escape safely?
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Tags
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Additional Information
This game is excluded from Steam Family Sharing because: This game has not yet been released
| ReleaseState | prerelease | |||||||||||||||||
| Exclude from family sharing (exfgls) | 8 (This game has not yet been released) | |||||||||||||||||
| Store Release Date | Q1 2026 | |||||||||||||||||
| osarch | empty string | |||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||
| Social Media | https://discord.gg/N6g4GHy5x4 https://www.douyin.com/user/MS4wLjABAAAAgpbBKwfzFU-TLOnvh1sltJuxBFb-GBRO33tfI5d226U?from_tab_name=main https://space.bilibili.com/56347070?spm_id_from=333.337.0.0 https://www.tiktok.com/@baiyou_backrooms https://www.youtube.com/@baiyou18 |
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| Primary Genre | Action (1) | |||||||||||||||||
| Store Genres | Action (1), Adventure (25), Indie (23), RPG (3) | |||||||||||||||||
| Store Asset Modification Time | 13 September 2025 – 17:25:53 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||
| AI Content Type | 1 | |||||||||||||||||
| First seen on SteamDB | 15 May 2024 – 08:58:20 UTC ( |
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Supported Languages
| 2 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Simplified Chinese | Yes | Yes |
Assets
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| trailer_name | 《Backrooms:The Lost》Real Gameplay PV |
| trailer_category | 3 |
| trailer_480p ↴ | |
| video/webm | 257180910/movie480_vp9.webm |
| video/mp4 | 257180910/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257180910/movie_max_vp9.webm |
| video/mp4 | 257180910/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 2999000/1050989053/96f7080ebca9db6a72574ef4615c7a97f6b46ef9/1754770853/microtrailer.webm |
| video/mp4 | 2999000/1050989053/96f7080ebca9db6a72574ef4615c7a97f6b46ef9/1754770853/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 2999000/1050989053/96f7080ebca9db6a72574ef4615c7a97f6b46ef9/1754770853/dash_av1.mpd |
| dash_h264 | 2999000/1050989053/96f7080ebca9db6a72574ef4615c7a97f6b46ef9/1754770853/dash_h264.mpd |
| hls_h264 | 2999000/1050989053/96f7080ebca9db6a72574ef4615c7a97f6b46ef9/1754770853/hls_264_master.m3u8 |
| screenshot_medium | 257180910/8b06c812b7c5d442e75d5d4335c558a3e6b8e308/movie_600x337.jpg |
| screenshot_full | 257180910/8b06c812b7c5d442e75d5d4335c558a3e6b8e308/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 9 August 2025 – 20:30:14 UTC |
