Lobbies · prototype · v0.1 · made for gamers

Released November 2, 2025 · SG Studios
Backrooms: Lost Dimension is a single-player horror adventure. Explore unsettling levels, solve unique puzzles, and survive terrifying encounters while following an original story. Free content updates with new levels will expand the experience and keep the nightmare evolving.
Steam · 21 reviews · 48% positive
The Backrooms Lost Dimension Lobby
Patch Notes - June 18, 2026 (Your criticisms have been heard)
Level 0 Visuals & Textures: I have fixed the textures in Level 0, addressing the negative feedback stating that the walls looked completely untextured. I've also reworked the post-processing so that Level 0 now closely resembles the classic yellow corridors the community knows and loves. The Bacter…
via Steam