Games like Corridors
Games like Corridors include Lethal Company, SOMA, Escape the Backrooms, Five Nights at Freddy's: Security Breach, and Outlast. We matched them by the tags players give Corridors on Steam (Psychological Horror, Walking Simulator, Survival Horror, Multiple Endings, and Horror): closest matches first, and among equally close ones the better-known games.

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

SOMA
Shared: Psychological Horror · Horror · Survival Horror

Escape the Backrooms
Shared: Psychological Horror · Horror · Survival Horror

Five Nights at Freddy's: Security Breach
Shared: Survival Horror · Horror · Multiple Endings

Outlast
Shared: Survival Horror · Psychological Horror · Horror

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · Psychological Horror

Inside the Backrooms
Shared: Survival Horror · Psychological Horror · Horror

Poppy Playtime
Shared: Horror · Survival Horror · Psychological Horror

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

Amnesia: The Dark Descent
Shared: Psychological Horror · Horror · Survival Horror

Layers of Fear (2016)
Shared: Psychological Horror · Walking Simulator · Horror

The Beast Inside
Shared: Horror · Survival Horror · First-Person

Backrooms: Escape Together
Shared: Psychological Horror · Horror · Survival Horror

Visage
Shared: Psychological Horror · Survival Horror · Horror

Pacify
Shared: Psychological Horror · Horror · Survival Horror

The Light Remake
Shared: Walking Simulator · Survival Horror · First-Person

The Exit 8
Shared: Walking Simulator · Psychological Horror · Exploration

SILENT HILL 2
Shared: Psychological Horror · Survival Horror · Horror

Slender: The Arrival
Shared: Survival Horror · Horror · Psychological Horror

Darkwood
Shared: Survival Horror · Psychological Horror · Horror

Outlast 2
Shared: Psychological Horror · Survival Horror · Horror

The Outlast Trials
Shared: Psychological Horror · Horror · Survival Horror

Still Wakes the Deep
Shared: Psychological Horror · Horror · Walking Simulator

35MM
Shared: Walking Simulator · Survival Horror · Psychological Horror