Games like Somniphobia
Games like Somniphobia include Fran Bow, Smile For Me, Papers, Please, Inscryption, and Sally Face - Episode One. We matched them by the tags players give Somniphobia on Steam (Puzzle, Point & Click, Female Protagonist, Strategy, and First-Person): closest matches first, and among equally close ones the better-known games.

Fran Bow
Shared: Point & Click · Puzzle · Psychological Horror

Smile For Me
Shared: Puzzle · Point & Click · First-Person

Papers, Please
Shared: Point & Click · Puzzle · Indie

Inscryption
Shared: Puzzle · Strategy · Horror

Sally Face - Episode One
Shared: Puzzle · Point & Click · Horror

Buckshot Roulette
Shared: First-Person · Strategy · Horror

Rusty Lake Paradise
Shared: Puzzle · Point & Click · 2D

MiSide
Shared: First-Person · 3D · Psychological Horror

Cube Escape Collection
Shared: Puzzle · Point & Click · Horror

Machinarium
Shared: Puzzle · Point & Click · 2D

Bendy and the Ink Machine
Shared: Puzzle · First-Person · Horror

Firework
Shared: Puzzle · 2D · Horror

Poppy Playtime
Shared: Puzzle · First-Person · Horror

Detention
Shared: Puzzle · Point & Click · Horror

Servant of the Lake
Shared: Puzzle · Point & Click · 2D

Portal 2
Shared: Puzzle · First-Person · Female Protagonist

Little Misfortune
Shared: Point & Click · Female Protagonist · Psychological Horror

Amanda the Adventurer
Shared: Puzzle · First-Person · Horror

Ultimate Custom Night
Shared: Strategy · Horror · First-Person

The Room 4: Old Sins
Shared: Puzzle · Point & Click · First-Person

Five Nights at Freddy's 4
Shared: First-Person · Point & Click · Horror

Five Nights at Freddy's 2
Shared: First-Person · Horror · Point & Click

The Room Two
Shared: Puzzle · Point & Click · Horror

Lost in Play
Shared: Puzzle · Point & Click · 2D