
Early Access
Not really. It's slowing down. Last updated 4 months ago, with about 1 update per month.
Last checked Oct 22, 2026
Backrooms: Lost Dimension is a single-player horror game with puzzles, survival, and an original story. Explore mysterious levels, journey through unknown dimensions, and uncover hidden secrets along the way. Play the first chapter for free and continue the adventure by unlocking the next ones.
Jun 19, 2026 · Patch note
Patch Notes - 20 June 2026 (opens in new tab)
- Optimized framerate stability for all levels in Chapter 1.
Jun 19, 2026 · Build
Public branch build 23829396
Latest build time Steam reports for the public branch.
Jun 19, 2026 · Patch note
Hotfix: 19 July 2026 (opens in new tab)
Hotfix: Improved performance in Level 0
Jun 18, 2026 · Patch note
Patch Notes - June 18, 2026 (Your criticisms have been heard) (opens in new tab)
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 Bacteria (Entity/Monster): Fixed a major bug where The Bacteria co…
Jun 18, 2026 · Patch note
Patch Notes — June 18, 2026 (opens in new tab)
Here is the English translation of the patch notes, keeping a clean and professional layout: Patch Notes — June 18, 2026 Artificial Intelligence Removal: Completely removed all forms of in-game Artificial Intelligence. Cinematics Update: AI-generated videos have been removed and replaced with a VHS filter (used as the death cinematic). Level 4 (The Office):…
Backrooms Lost Dimension last posted a patch note 4 months ago (Jun 19, 2026: Patch Notes - 20 June 2026 (opens in new tab)).
It got about 1 update per month over the last year and is rarely updated (14/100). 1 of the last 5 months had at least one update day. Not enough of a cadence to call it regular.
Not yet, but it is slowing down. The last build or patch note is between 90 and 180 days old.
Backrooms Lost Dimension: 7 updates in the last 12 months, avg every 21 days. The chart shows the last 12 months, including months with zero patch notes. Counts are dated patch and update posts, not branch builds. The Early Access release on 2026-06-16 falls inside this window.
| Month | Updates |
|---|---|
| November 2025 | 0 |
| December 2025 | 0 |
| January 2026 | 0 |
| February 2026 | 0 |
| March 2026 | 0 |
| April 2026 | 0 |
| May 2026 | 0 |
| June 2026 | 6 |
| July 2026 | 0 |
| August 2026 | 0 |
| September 2026 | 0 |
| October 2026 | 0 |