Released Jun 16, 2026
Early Access Free Mostly Negative
Backrooms Lost Dimension
By SG STUDIOS
Followers
—
Reviews
36
Mostly Negative
Players now
0
Peak today 0
Followers, 30 days
—
Not enough history yet
Steam data
Everything Steam lists for Backrooms Lost Dimension · record updated 16 hours ago
Overview
App ID4036160
Release dateJun 16, 2026
Last change number40199782
Last record update16 hours ago
App info
- App type
- Game
- Developer
- SG STUDIOS
- Publisher
- SG STUDIOS
- Steam profile
- Not counted yet: Steam is still getting to know this game, so it doesn't add to game counts or achievement totals · checked Nov 1, 2025
Platforms
Windows
- Steam Deck
- Playable
Features
3
Single-playerIn-app purchasesFamily Sharing
Patches
Builds
1| Build | Branch | Updated |
|---|---|---|
| 23829396 | public | Jun 19, 2026 |
Depots
Depots
1| ID | Name | Systems | Size | Download | Manifest |
|---|---|---|---|---|---|
| 4036161 | — | All | 4.94 GB | 3.33 GB | 6581645707746623304 |
Branches
1| Branch | Build | Updated | Access |
|---|---|---|---|
| public | 23829396 | Jun 19, 2026 | Open |
Configuration
Install foldersteamapps/common/Backrooms Lost Dimension
Launch options
1| Executable | Arguments | Systems | Description |
|---|---|---|---|
| Backrooms Lost Dimension.exe | Windows |
Achievements
Achievements10 hidden
Most unlocked1.6%NEW_ACHIEVEMENT_NAME_1_0
Rarest1.6%NEW_ACHIEVEMENT_NAME_1_0
Global unlock rate
share of players who have it-
NEW_ACHIEVEMENT_NAME_1_0 NEW_ACHIEVEMENT_DESC_1_0
Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.