Games like The Occultist
Games like The Occultist include Poppy Playtime, Little Nightmares II, Little Nightmares, Return of the Obra Dinn, and Sherlock Holmes: The Devil's Daughter. We matched them by the tags players give The Occultist on Steam (Singleplayer, Adventure, Investigation, Detective, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Singleplayer · Horror · Puzzle

Little Nightmares II
Shared: Adventure · Singleplayer · Horror

Little Nightmares
Shared: Adventure · Singleplayer · Atmospheric

Return of the Obra Dinn
Shared: Detective · Singleplayer · Atmospheric

Sherlock Holmes: The Devil's Daughter
Shared: Adventure · Detective · Singleplayer

Murdered: Soul Suspect
Shared: Adventure · Detective · Singleplayer

Outlast
Shared: Horror · Singleplayer · Atmospheric

MiSide
Shared: Singleplayer · Psychological Horror · Horror

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

Resident Evil 7 Biohazard
Shared: Singleplayer · Horror · Atmospheric

Amnesia: Rebirth
Shared: Singleplayer · Adventure · Puzzle

Sherlock Holmes: Crimes and Punishments
Shared: Adventure · Detective · Investigation

Firewatch
Shared: Adventure · Atmospheric · Singleplayer

The Painscreek Killings
Shared: Investigation · Detective · Puzzle

SOMA
Shared: Horror · Atmospheric · Psychological Horror

Bendy and the Ink Machine
Shared: Singleplayer · Horror · Puzzle

Bendy and the Dark Revival
Shared: Singleplayer · Horror · Adventure

The Séance of Blake Manor
Shared: Singleplayer · Detective · Adventure

Outer Wilds
Shared: Adventure · Atmospheric · Singleplayer

Layers of Fear (2016)
Shared: Singleplayer · Horror · Atmospheric

What Remains of Edith Finch
Shared: Atmospheric · Adventure · Singleplayer

Hello Neighbor 2
Shared: Adventure · Singleplayer · Horror

Tomb Raider Game of the Year
Shared: Adventure · Singleplayer · Action

Danganronpa 2: Goodbye Despair
Shared: Detective · Singleplayer · Adventure