Games like Loathful
Games like Loathful include Outlast, Escape the Backrooms, Lethal Company, Outlast 2, and Resident Evil 7 Biohazard. We matched them by the tags players give Loathful on Steam (Psychological Horror, Retro, Horror, Survival Horror, and Stylized): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Psychological Horror · Survival Horror

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

Lethal Company
Shared: Horror · Survival Horror · Psychological Horror

Outlast 2
Shared: Psychological Horror · Horror · Survival Horror

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · Psychological Horror

SOMA
Shared: Psychological Horror · Horror · Survival Horror

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

The Beast Inside
Shared: Horror · Survival Horror · Adventure

Poppy Playtime
Shared: Horror · Psychological Horror · Survival Horror

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · First-Person

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

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

Dead by Daylight
Shared: Horror · Survival Horror · Gore

The Forest
Shared: Horror · Adventure · Survival Horror

Pacify
Shared: Horror · Psychological Horror · Survival Horror

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

SILENT HILL: Townfall
Shared: Horror · Psychological Horror · Adventure

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

Visage
Shared: Psychological Horror · Horror · Survival Horror

Mouthwashing
Shared: Psychological Horror · Horror · Retro

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

Crow Country
Shared: Survival Horror · Horror · Retro

Darkwood
Shared: Horror · Psychological Horror · Survival Horror

The Evil Within 2
Shared: Psychological Horror · Horror · Survival Horror