Games like They That Feast
Games like They That Feast include Outlast, Resident Evil Village, Outlast 2, Resident Evil 7 Biohazard, and Amnesia: The Dark Descent. We matched them by the tags players give They That Feast on Steam (Indie, Action, Adventure, Gore, and Violent): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Gore · Survival Horror

Resident Evil Village
Shared: Action · Horror · Survival Horror

Outlast 2
Shared: Horror · Gore · Survival Horror

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

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

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

The Beast Inside
Shared: Adventure · Horror · Action

SOMA
Shared: Horror · Gore · Survival Horror

Bendy and the Dark Revival
Shared: Action · Horror · Indie

Dead by Daylight
Shared: Horror · Gore · Survival Horror

The Forest
Shared: Adventure · Horror · Action

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

Poppy Playtime
Shared: Horror · Survival Horror · Indie

Escape the Backrooms
Shared: Horror · Survival Horror · Adventure

Still Wakes the Deep
Shared: Gore · Horror · Lovecraftian

CARRION
Shared: Gore · Action · Indie

Granny: Chapter Two
Shared: Indie · Adventure · Gore

Maid of Sker
Shared: Action · Adventure · Horror

Resident Evil 4
Shared: Action · Horror · Survival Horror

Penumbra Overture
Shared: Adventure · Indie · Horror

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Action · Horror

Resident Evil 2
Shared: Horror · Survival Horror · Action

Resident Evil Requiem
Shared: Action · Survival Horror · Horror

Manhunt
Shared: Gore · Violent · Action