Games like On My Watch
Games like On My Watch include Little Nightmares, Little Nightmares II, Sally Face - Episode One, Blair Witch, and No, I'm not a Human. We matched them by the tags players give On My Watch on Steam (Adventure, Horror, Psychological Horror, Multiple Endings, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Little Nightmares II
Shared: Adventure · Horror · Psychological Horror

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

Blair Witch
Shared: Adventure · Horror · Psychological Horror

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

Outlast
Shared: Horror · Psychological Horror · Atmospheric

INSIDE
Shared: Horror · Atmospheric · Dark

Detention
Shared: Horror · Psychological Horror · Adventure

Outlast 2
Shared: Horror · Psychological Horror · Dark

Darkwood
Shared: Horror · Adventure · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · Atmospheric

OMORI
Shared: Psychological Horror · Indie · Multiple Endings

FAITH: The Unholy Trinity
Shared: Horror · Psychological Horror · Indie

Visage
Shared: Horror · Psychological Horror · Dark

Fran Bow
Shared: Psychological Horror · Horror · Adventure

Tiny Bunny
Shared: Horror · Atmospheric · Psychological Horror

Endacopia
Shared: Adventure · Psychological Horror · Horror

Poppy Playtime
Shared: Horror · Psychological Horror · Dark

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

SILENT HILL 2
Shared: Horror · Psychological Horror · Atmospheric

The Medium
Shared: Adventure · Horror · Psychological Horror

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

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

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