Games like Anomaly Center
Games like Anomaly Center include Phasmophobia, Poppy Playtime, The Room Two, Sally Face - Episode One, and Firework. We matched them by the tags players give Anomaly Center on Steam (Psychological Horror, Horror, Psychological, Mystery, and Puzzle): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Horror · Psychological Horror · Supernatural

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

The Room Two
Shared: Mystery · Puzzle · Horror

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

Firework
Shared: Horror · Psychological Horror · Puzzle

Mouthwashing
Shared: Psychological Horror · Horror · Psychological

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

Fran Bow
Shared: Psychological Horror · Horror · Puzzle

SOMA
Shared: Psychological Horror · Horror · Atmospheric

No, I'm not a Human
Shared: Psychological Horror · Horror · Atmospheric

The Room Three
Shared: Mystery · Puzzle · Atmospheric

The Room
Shared: Mystery · Puzzle · Atmospheric

Garten of Banban
Shared: Horror · Psychological Horror · Puzzle

Buckshot Roulette
Shared: Horror · Psychological · Dark

Cube Escape Collection
Shared: Horror · Psychological Horror · Puzzle

Rusty Lake Paradise
Shared: Psychological Horror · Puzzle · Horror

MiSide
Shared: Psychological Horror · Horror · 3D

Amanda the Adventurer
Shared: Horror · Puzzle · Mystery

I'm on Observation Duty 4
Shared: Psychological Horror · Horror · Psychological

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · Puzzle

Detention
Shared: Horror · Psychological Horror · Puzzle

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

Outer Wilds
Shared: Mystery · Puzzle · Atmospheric

Little Nightmares II
Shared: Horror · Psychological Horror · Puzzle