Games like The Unknown Fear
Games like The Unknown Fear include Resident Evil Requiem, Atomic Heart, Resident Evil Village, DOOM Eternal, and BioShock Infinite. We matched them by the tags players give The Unknown Fear on Steam (Action, Adventure, Action-Adventure, Interactive Fiction, and FPS): closest matches first, and among equally close ones the better-known games.

Resident Evil Requiem
Shared: Action · FPS · Action-Adventure

Atomic Heart
Shared: Adventure · Action · FPS

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

DOOM Eternal
Shared: Action · FPS · Gore

BioShock Infinite
Shared: Action · FPS · First-Person

Ready or Not
Shared: FPS · Action · First-Person

Half-Life 2
Shared: Action · FPS · Adventure

Necromunda: Hired Gun
Shared: Action · Adventure · FPS

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

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Action · First-Person

SILENT HILL: Townfall
Shared: Adventure · Action · Horror

Metro Exodus
Shared: FPS · Action · Adventure

RoboCop: Rogue City
Shared: Action · FPS · First-Person

High On Life
Shared: Adventure · FPS · Action-Adventure

Far Cry® 6
Shared: Action-Adventure · FPS · Action

METRO 2033 Redux
Shared: FPS · Action · Horror

Black Mesa
Shared: Action · FPS · First-Person

VLADiK BRUTAL
Shared: Action · FPS · Adventure

Far Cry® 5
Shared: Action-Adventure · FPS · Action

DOOM
Shared: Action · FPS · First-Person

Escape the Backrooms
Shared: Horror · Adventure · First-Person

The Beast Inside
Shared: Adventure · Action · First-Person

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

Wolfenstein II: The New Colossus
Shared: Action · FPS · First-Person