后室迷失之境Backrooms:The Lost Demo
| App ID | 3220280 |
| App Type | Demo |
| Developer | Golden Trees黄金树 |
| Publisher | Golden Trees黄金树 |
| Supported Systems | Windows |
| Technologies | Unreal Engine, EpicOnlineServices SDK |
| Last Changenumber | 32035365 |
| Last Record Update | 2 November 2025 – 11:19:49 UTC ( |
| Release Date | 31 October 2025 – 22:06:40 UTC ( |
| Parent App | 后室迷失之境Backrooms:The Lost (2999000) |
Additional Information
This demo is excluded from Steam Family Sharing because: This content type cannot be shared
| Developer | Golden Trees黄金树 | |||||||||||||||||
| ReleaseState | released | |||||||||||||||||
| Publisher | Golden Trees黄金树 | |||||||||||||||||
| Exclude from family sharing (exfgls) | 6 (This content type cannot be shared) | |||||||||||||||||
| Store Release Date | 31 October 2025 – 22:06:40 UTC ( |
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| osarch | empty string | |||||||||||||||||
| 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 | Unknown Genre (0) | |||||||||||||||||
| Steam Release Date | 31 October 2025 – 22:06:40 UTC ( |
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| Store Asset Modification Time | 2 November 2025 – 11:19:29 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||
| Is free on the store? | Yes | |||||||||||||||||
| Detected Technologies (?) | Unreal Engine, EpicOnlineServices SDK, Intel_OID SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK | |||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||
| AI Content Type | 1 | |||||||||||||||||
| First seen on SteamDB | 7 September 2024 – 11:16:31 UTC ( |
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Supported Languages
| 2 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Simplified Chinese | Yes | Yes |
Categories
Assets
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Steam charts
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- 5 players right now
- 8 24-hour peak
- 9 all-time peak
2 November 2025
SteamDB.info
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Monthly players breakdown
Initializing Steam charts…
| Month | Peak | Gain | % Gain | Average | Avg % Gain |
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How many players are playing 后室迷失之境Backrooms:The Lost Demo right now on Steam?
Steam player counter indicates there are currently 5 players live playing 后室迷失之境Backrooms:The Lost Demo on Steam.
后室迷失之境Backrooms:The Lost Demo had an all-time peak of 9 concurrent players on 2 November 2025.
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