Games like I'm on Observation Duty 4
Games like I'm on Observation Duty 4 include The Room Two, Firework, Poppy Playtime, Buckshot Roulette, and Mouthwashing. We matched them by the tags players give I'm on Observation Duty 4 on Steam (Psychological Horror, Horror, Psychological, Mystery, and Puzzle): closest matches first, and among equally close ones the better-known games.

The Room Two
Shared: Mystery · Puzzle · Horror

Firework
Shared: Horror · Psychological Horror · Puzzle

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

Buckshot Roulette
Shared: Horror · Strategy · Psychological

Mouthwashing
Shared: Psychological Horror · Horror · Psychological

Phasmophobia
Shared: Horror · Psychological Horror · Investigation

I'm on Observation Duty 5
Shared: Psychological Horror · Horror · Mystery

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

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

Garten of Banban
Shared: Horror · Psychological Horror · Puzzle

The Room Three
Shared: Mystery · Puzzle · Atmospheric

Fran Bow
Shared: Psychological Horror · Horror · Puzzle

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

SOMA
Shared: Psychological Horror · Horror · Atmospheric

The Room
Shared: Mystery · Puzzle · Horror

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

Cube Escape Collection
Shared: Horror · Psychological Horror · Puzzle

I'm on Observation Duty 6
Shared: Psychological Horror · Horror · Puzzle

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

Rusty Lake Paradise
Shared: Psychological Horror · Puzzle · Horror

SILENT HILL 2
Shared: Psychological Horror · Horror · Psychological

I'm on Observation Duty 7
Shared: Psychological Horror · Horror · Puzzle

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

Detention
Shared: Horror · Psychological Horror · Puzzle