Games like Anomalies Detective
Games like Anomalies Detective include The Exit 8, Five Nights at Freddy's: Security Breach, Escape the Backrooms, Firewatch, and Layers of Fear (2016). We matched them by the tags players give Anomalies Detective on Steam (Walking Simulator, Exploration, Multiple Endings, Psychological Horror, and First-Person): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Exploration · Walking Simulator · Psychological Horror

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

Escape the Backrooms
Shared: Psychological Horror · Horror · Exploration

Firewatch
Shared: Walking Simulator · Exploration · First-Person

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

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · First-Person

Scanner Sombre
Shared: Walking Simulator · Exploration · Horror

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · Exploration

The Stanley Parable
Shared: Walking Simulator · First-Person · Indie

Lethal Company
Shared: First-Person · Exploration · Horror

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

Platform 8
Shared: Walking Simulator · Psychological Horror · Exploration

MiSide
Shared: Psychological Horror · First-Person · Horror

The Cabin Factory
Shared: Walking Simulator · Psychological Horror · Horror

SOMA
Shared: Psychological Horror · Horror · Exploration

POOLS
Shared: Walking Simulator · Psychological Horror · Exploration

The Park®
Shared: Walking Simulator · Psychological Horror · Horror

Psalm 5:9-13
Shared: Psychological Horror · Exploration · Walking Simulator

Outlast
Shared: First-Person · Horror · Psychological Horror

September 7th
Shared: Exploration · Walking Simulator · Psychological Horror

Garten of Banban
Shared: Psychological Horror · First-Person · Horror

INFRA
Shared: Exploration · Walking Simulator · First-Person

Visage
Shared: Psychological Horror · Horror · First-Person

The Inn-Sanity
Shared: Walking Simulator · Psychological Horror · Exploration