Games like Dirty Room
Games like Dirty Room include Left 4 Dead 2, BioShock Infinite, Dying Light, Ready or Not, and Back 4 Blood. We matched them by the tags players give Dirty Room on Steam (RPG, Horror, Adventure, FPS, and Zombies): closest matches first, and among equally close ones the better-known games.

Left 4 Dead 2
Shared: Zombies · FPS · Shooter

BioShock Infinite
Shared: FPS · Shooter · RPG

Dying Light
Shared: Horror · Zombies · First-Person

Ready or Not
Shared: FPS · Shooter · Horror

Back 4 Blood
Shared: Zombies · FPS · Horror

Resident Evil Requiem
Shared: Horror · Zombies · FPS

Apex Legends™
Shared: FPS · Free to Play · Shooter

Call of Duty®: Black Ops III
Shared: FPS · Zombies · Shooter

Resident Evil Village
Shared: Horror · First-Person · Zombies

Aimlabs
Shared: FPS · Shooter · Free to Play

DOOM
Shared: FPS · Shooter · Gore

Trepang2
Shared: Horror · FPS · Shooter

Killing Floor
Shared: FPS · Horror · Zombies

Half-Life: Alyx
Shared: Horror · FPS · Shooter

Half-Life 2
Shared: FPS · Adventure · Shooter

Black Mesa
Shared: FPS · First-Person · Shooter

DOOM Eternal
Shared: FPS · Gore · Shooter

Resident Evil 7 Biohazard
Shared: Horror · First-Person · Zombies

Halo Infinite
Shared: FPS · Free to Play · Shooter

Atomic Heart
Shared: Adventure · FPS · Horror

Call of Duty®: Warzone™
Shared: FPS · Free to Play · Shooter

The Walking Dead: Saints & Sinners
Shared: Zombies · Adventure · Horror

Left 4 Dead
Shared: Zombies · FPS · Horror

Killing Floor 2
Shared: Zombies · FPS · Horror