Games like Backrooms: Liminal Conflict
Games like Backrooms: Liminal Conflict include Ready or Not, Escape the Backrooms, Left 4 Dead 2, Lethal Company, and Backrooms: Escape Together. We matched them by the tags players give Backrooms: Liminal Conflict on Steam (Action, Adventure, Walking Simulator, FPS, and 3D): closest matches first, and among equally close ones the better-known games.

Ready or Not
Shared: FPS · Realistic · Action

Escape the Backrooms
Shared: Horror · First-Person · Adventure

Left 4 Dead 2
Shared: FPS · Action · First-Person

Lethal Company
Shared: First-Person · Horror · Survival Horror

Backrooms: Escape Together
Shared: Horror · First-Person · Psychological Horror

PUBG: BATTLEGROUNDS
Shared: FPS · Action · Adventure

Resident Evil Requiem
Shared: Action · FPS · Horror

Apex Legends™
Shared: FPS · Action · First-Person

Black Mesa
Shared: Action · FPS · First-Person

Half-Life 2
Shared: Action · FPS · Sci-fi

Inside the Backrooms
Shared: Adventure · Horror · Survival Horror

Starship Troopers: Extermination
Shared: Action · FPS · First-Person

Dying Light
Shared: Horror · First-Person · Action

Outlast
Shared: First-Person · Horror · Adventure

PEAK
Shared: Adventure · First-Person · 3D

Zort
Shared: Action · Horror · First-Person

Bodycam
Shared: FPS · Realistic · First-Person

The Beast Inside
Shared: Adventure · Action · First-Person

BIGFOOT
Shared: Horror · FPS · Action

Far Cry 3
Shared: Action · Adventure · FPS

Squad
Shared: FPS · Realistic · Action

Halo Infinite
Shared: FPS · Action · First-Person

Call of Duty®
Shared: FPS · Action · First-Person

How to Fish
Shared: Adventure · First-Person · FPS