Released Jun 17, 2026 Early Access $13.99 Mostly Positive Counts toward your Steam games

Backrooms Lost Runners

By ShimStudioGames

Survival Horror Online Co-Op Horror Exploration First-Person Co-op Psychological Horror Atmospheric Procedural GenerationPuzzlePvEAdventure

Track this game Steam page

Followers —

Reviews 649 Mostly Positive

Players now 4 Peak today 4

Followers, 30 days — Not enough history yet

Backrooms Lost Runners is a game tagged Survival Horror, Online Co-Op and Horror by ShimStudioGames, released Jun 17, 2026. It has 649 Steam reviews (Mostly Positive). The Steam games most like it include The Backrooms Experience, Something in the Rows and Backrooms: Escape Together.

Backrooms Lost Runners is a co-op survival horror with team play, voice-reactive AI, and immersive puzzles. This isn’t a “walking simulator”: explore liminal spaces, outsmart entities, and remember—even a whisper can give you away.

From the Steam page

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<a href="https://launchrivals.com/games/3072120-backrooms-lost-runners"><img src="https://launchrivals.com/games/3072120/badge.png" alt="Backrooms Lost Runners launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/3072120-backrooms-lost-runners"><img src="https://launchrivals.com/games/3072120/badge.png?theme=light" alt="Backrooms Lost Runners launch date" width="320" height="84"></a>

The Backrooms Experience 86% match · Survival Horror, Online Co-Op, Horror
Something in the Rows 83% match · Survival Horror, Online Co-Op, Horror
Backrooms: Escape Together 81% match · Survival Horror, Online Co-Op, Horror
Inside the Backrooms 80% match · Survival Horror, Online Co-Op, Horror
Backrooms: Forget Me Not 79% match · Survival Horror, Horror, Exploration
Nightmare Delivery 78% match · Survival Horror, Online Co-Op, Horror
Out of the Shadows 78% match · Online Co-Op, Horror, Exploration
The Backrooms Company 77% match · Survival Horror, Online Co-Op, Horror
Apollyon 76% match · Survival Horror, Online Co-Op, Horror
Clipped Reality 76% match · Survival Horror, Online Co-Op, Horror

Steam data

Everything Steam lists for Backrooms Lost Runners · record updated 5 hours ago

Steam store

Overview

App ID3072120

Release dateJun 17, 2026

Last change number40236679

Last record update5 hours ago

App type: Game
Developer: ShimStudioGames
Publisher: ShimStudioGames
Steam profile: Counts toward game count and achievement totals · checked 1 day ago

Windows

Steam Deck: Playable

Single-playerMulti-playerCo-opOnline co-opSteam AchievementsFamily Sharing

Prices

Price · US$13.99

On sale0 of 41regions right now

Lowest seen · US$13.99Oct 23, 2026

Checked19 hours agoin 41 regions

China¥CNY

Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
26204156	public	Oct 25, 2026
26204156	public_testing	Oct 25, 2026
25423483	public	Sep 20, 2026
25423483	public_testing	Sep 20, 2026

Depots

ID	Name	Systems	Size	Download	Manifest
228989	— shared from 228980	Windows	—	—	—
228990	— shared from 228980	Windows	—	—	—
229007	— shared from 228980	Windows	—	—	—
3072121	—	All	3.97 GB	3.70 GB	6225706792857002773

Branch	Build	Updated	Access
public	26204156	Oct 25, 2026	Open
public_testing Testing future updates that may reach the main game.	26204156	Oct 25, 2026	Open

Configuration

Install foldersteamapps/common/Backrooms Lost Runners

Executable	Arguments	Systems	Description
BackroomsLostRunners.exe		Windows

Achievements

Achievements1919 hidden

Most unlocked96.3%Wake Up

Rarest30%Electrocuted

Wake Up Hidden achievement 96.3%
First Puzzle Solved Hidden achievement 95%
Fix the Bridge Hidden achievement 94%
Death or... Hidden achievement 90.8%
Almond Water Hidden achievement 89.7%
Out of the Complex Hidden achievement 88.3%
Into the Unstable Zone Hidden achievement 82.4%
Meeting old friends Hidden achievement 70.6%
Epsilon Hidden achievement 56.5%
Crowbar Hidden achievement 55.9%
Level 0 Hidden achievement 52.9%
Level 1: Habitable Zone Hidden achievement 50%
Aerostation Hidden achievement 48.9%
Survivors Camp Hidden achievement 46.9%
Run. Just Run Hidden achievement 45.8%
Level 1 "Parking Zone" Hidden achievement 45.6%
Welcome Hidden achievement 45.2%
Claytrophobia Hidden achievement 34%

All 19 achievements

Electrocuted Hidden achievement 30%

Update history

Oct 26, 2026 · 17:02 #40236679
- depots.3072121.manifests.public.download ~~3818365936~~ → 3974073152
- depots.3072121.manifests.public.gid ~~5491626900038348548~~ → 6225706792857002773
- depots.3072121.manifests.public.size ~~4104433700~~ → 4259030942
- depots.3072121.manifests.public_testing.download ~~3818365936~~ → 3974073152
- depots.3072121.manifests.public_testing.gid ~~5491626900038348548~~ → 6225706792857002773
- depots.3072121.manifests.public_testing.size ~~4104433700~~ → 4259030942
- depots.branches.public.buildid ~~25423483~~ → 26204156
- depots.branches.public.timebuildupdated ~~1789927254~~ → 1792965338
- depots.branches.public.timeupdated ~~1789927485~~ → 1792966206
- depots.branches.public_testing.buildid ~~25423483~~ → 26204156
- depots.branches.public_testing.timebuildupdated ~~1789927254~~ → 1792965338
- depots.branches.public_testing.timeupdated ~~1789927278~~ → 1792965709

Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.

Backrooms Lost Runners

About Backrooms Lost Runners

Steam data

Overview

App info

Platforms

Features

Prices

China¥CNY

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Depots

Depots

Branches

Configuration

Launch options

Achievements

Global unlock rate

Update history

Changes to the Steam record