Games like File Destined
Games like File Destined include Outlast, SOMA, Outlast 2, Visage, and Poppy Playtime. We matched them by the tags players give File Destined on Steam (Adventure, Psychological Horror, Survival Horror, Dark, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Survival Horror · Psychological Horror · First-Person

SOMA
Shared: Psychological Horror · Dark · Survival Horror

Outlast 2
Shared: Psychological Horror · Survival Horror · Dark

Visage
Shared: Psychological Horror · Survival Horror · Dark

Poppy Playtime
Shared: Singleplayer · Survival Horror · Psychological Horror

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

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

The Beast Inside
Shared: Adventure · Survival Horror · Psychological Horror

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

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

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

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

What Remains of Edith Finch
Shared: Walking Simulator · Adventure · Exploration

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

Blair Witch
Shared: Adventure · Psychological Horror · Dark

Darkwood
Shared: Adventure · Survival Horror · Psychological Horror

Firewatch
Shared: Adventure · Walking Simulator · Singleplayer

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

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

Among the Sleep - Enhanced Edition
Shared: Adventure · Indie · Singleplayer

ROUTINE
Shared: Psychological Horror · Singleplayer · Adventure

Mouthwashing
Shared: Psychological Horror · Walking Simulator · Horror

Little Nightmares
Shared: Adventure · Dark · Singleplayer

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