Games like Letherfall
Games like Letherfall include Outlast, SILENT HILL 2, Outlast 2, Poppy Playtime, and SOMA. We matched them by the tags players give Letherfall on Steam (Horror, Psychological Horror, Survival Horror, Cinematic, and Psychological): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Survival Horror · Psychological Horror

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

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

Poppy Playtime
Shared: Horror · Survival Horror · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · Survival Horror

Resident Evil Requiem
Shared: Horror · Survival Horror · First-Person

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

Five Nights at Freddy's
Shared: Horror · Survival Horror · Psychological Horror

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

Garten of Banban
Shared: Horror · Psychological Horror · First-Person

MiSide
Shared: Psychological Horror · Horror · First-Person

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

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

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

No, I'm not a Human
Shared: Horror · Psychological Horror · Atmospheric

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

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

Visage
Shared: Horror · Psychological Horror · Survival Horror

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

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

Five Nights at Freddy's 2
Shared: Horror · Survival Horror · Psychological Horror

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

Ultimate Custom Night
Shared: Horror · Survival Horror · First-Person

Resident Evil 4
Shared: Horror · Survival Horror · Cinematic