Games like I Fell for Her
Games like I Fell for Her include No, I'm not a Human, Mouthwashing, Summer of '58, Phasmophobia, and MiSide. We matched them by the tags players give I Fell for Her on Steam (Horror, Psychological Horror, Thriller, Retro, and Mystery): closest matches first, and among equally close ones the better-known games.

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

Mouthwashing
Shared: Horror · Psychological Horror · Retro

Summer of '58
Shared: Horror · Thriller · Psychological Horror

Phasmophobia
Shared: Horror · Psychological Horror · Mystery

MiSide
Shared: Psychological Horror · Horror · Thriller

Poppy Playtime
Shared: Horror · Psychological Horror · Mystery

SILENT HILL 2
Shared: Horror · Psychological Horror · Psychological

SILENT HILL f
Shared: Horror · Psychological Horror · Psychological

Alan Wake
Shared: Horror · Thriller · Psychological Horror

Five Nights at Freddy's: Security Breach
Shared: Horror · Multiple Endings · 3D

The Test
Shared: Psychological Horror · Multiple Endings · Horror

Subliminal
Shared: Psychological Horror · Horror · Thriller

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

Outlast
Shared: Horror · Psychological Horror · First-Person

KinitoPET
Shared: Horror · Psychological Horror · Retro

Firework
Shared: Horror · Psychological Horror · Mystery

Buckshot Roulette
Shared: Horror · Psychological Horror · Psychological

Demonologist
Shared: Horror · Psychological Horror · Thriller

SILENT HILL: Townfall
Shared: Horror · Psychological Horror · Action

The Quarry
Shared: Horror · Multiple Endings · Thriller

The Casting of Frank Stone™
Shared: Horror · Multiple Endings · Psychological Horror

Fears to Fathom - Ironbark Lookout
Shared: Horror · Psychological Horror · Thriller

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

The Test: Hypothesis Rising
Shared: Horror · Multiple Endings · Psychological Horror