Games like FEAR background
Games like FEAR background include Lethal Company, Escape the Backrooms, Inside the Backrooms, SOMA, and Backrooms: Escape Together. We matched them by the tags players give FEAR background on Steam (Horror, Exploration, Dynamic Narration, Hidden Object, and 3D): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Horror · Exploration · Survival Horror

Escape the Backrooms
Shared: Horror · Exploration · Psychological Horror

Inside the Backrooms
Shared: Horror · Survival Horror · Exploration

SOMA
Shared: Horror · Atmospheric · Exploration

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

Darkwood
Shared: Horror · Survival Horror · Exploration

SILENT HILL 2
Shared: Horror · Atmospheric · Psychological Horror

Outlast
Shared: Horror · Atmospheric · Survival Horror

The Forest
Shared: Horror · Exploration · Survival Horror

Subnautica 2
Shared: Horror · Exploration · Survival Horror

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

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

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

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

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Exploration · 3D

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

Content Warning
Shared: Horror · Exploration · Psychological Horror

Scanner Sombre
Shared: Exploration · Horror · Atmospheric

Granny: Escape Together
Shared: Horror · Hidden Object · Atmospheric

The Exit 8
Shared: Exploration · Horror · 3D

Platform 8
Shared: Exploration · Hidden Object · Psychological Horror

Poppy Playtime
Shared: Horror · Survival Horror · Psychological Horror

MiSide
Shared: Horror · Psychological Horror · 3D

Visage
Shared: Horror · Survival Horror · Psychological Horror