后室迷失之境Backrooms：The Lost
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?
Last Updated: 2/23/2026
| Developer | Golden Trees黄金树 |
| Publisher | Golden Trees黄金树 |
| Steam App Id | 2999000 |
后室迷失之境Backrooms：The Lost
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?
Last Updated: 2/23/2026
- Windows
- Mac
- Linux
About 后室迷失之境Backrooms：The Lost
后室迷失之境Backrooms：The Lost is an Indie, Adventure, RPG, and Action game developed by Golden Trees黄金树. It was released on the Steam Store by Golden Trees黄金树.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, 后室迷失之境Backrooms：The Lost supports the following features:
- Steam Achievements
- Single-player
- Captions available
- Family Sharing
Media & Sceenshots
Watch the featured video for 后室迷失之境Backrooms：The Lost and see the latest screenshots from the Steam Store.
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Soures & References
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后室迷失之境Backrooms：The Lost data has been sourced from:
- Valve Corporation. (2026, February 23). 后室迷失之境Backrooms：The Lost on Steam. Steam Store.
- Valve Corporation. (2026, February 23). 后室迷失之境Backrooms：The Lost. Steam Community Hub.