Games like Purgatory Fell
Games like Purgatory Fell include Raging Loop, Phasmophobia, Looking Up I See Only A Ceiling, Martha Is Dead, and I'm on Observation Duty 3. We matched them by the tags players give Purgatory Fell on Steam (Adventure, Psychological, Mystery, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Raging Loop
Shared: Adventure · Mystery · Psychological Horror

Phasmophobia
Shared: VR · Psychological Horror · Mystery

Looking Up I See Only A Ceiling
Shared: Adventure · Psychological · Mystery

Martha Is Dead
Shared: Psychological · Psychological Horror · Adventure

I'm on Observation Duty 3
Shared: VR · Psychological · Psychological Horror

Milk inside a bag of milk inside a bag of milk
Shared: Psychological Horror · Psychological · Adventure

The Room VR: A Dark Matter
Shared: Adventure · VR · Mystery

DREDGE
Shared: Adventure · Mystery · Psychological Horror

Virtual Virtual Reality
Shared: Adventure · VR · Mystery

Sally Face - Episode One
Shared: Psychological Horror · Adventure · Mystery

SILENT HILL 2
Shared: Psychological Horror · Psychological · Adventure

Firewatch
Shared: Adventure · Mystery · Psychological Horror

Transference™
Shared: Adventure · VR · Psychological Horror

Outer Wilds
Shared: Adventure · Mystery · Psychological Horror

Urban Myth Dissolution Center
Shared: Adventure · Psychological Horror · Mystery

Return to Shironagasu Island
Shared: Adventure · Mystery · Psychological Horror

[Chillas Art] The Convenience Store
Shared: Adventure · Psychological Horror · Psychological

SILENT HILL f
Shared: Psychological Horror · Adventure · Psychological

The Test
Shared: Psychological · Psychological Horror · Adventure

Fran Bow
Shared: Psychological Horror · Adventure · Psychological

DISTRAINT: Deluxe Edition
Shared: Psychological Horror · Adventure · Psychological

Garten of Banban
Shared: VR · Psychological Horror · Mystery

Higurashi When They Cry Hou - Ch.1 Onikakushi
Shared: Mystery · Psychological · Adventure

What Remains of Edith Finch
Shared: Mystery · Adventure · Psychological Horror