Games like Claire
Games like Claire include Little Nightmares, Little Nightmares II, SOMA, Sally Face - Episode One, and SILENT HILL 2. We matched them by the tags players give Claire on Steam (Story Rich, Simulation, Cinematic, Puzzle, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Little Nightmares
Shared: Story Rich · Puzzle · Atmospheric

Little Nightmares II
Shared: Puzzle · Story Rich · Psychological Horror

SOMA
Shared: Story Rich · Psychological Horror · Atmospheric

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

SILENT HILL 2
Shared: Story Rich · Psychological Horror · Survival Horror

ROUTINE
Shared: Cinematic · Psychological Horror · Singleplayer

INSIDE
Shared: Story Rich · Dark · Cinematic

Poppy Playtime
Shared: Puzzle · Survival Horror · Singleplayer

Fran Bow
Shared: Story Rich · Psychological Horror · Puzzle

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

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

Outlast
Shared: Survival Horror · Psychological Horror · Atmospheric

MiSide
Shared: Story Rich · Psychological Horror · Singleplayer

Amnesia: Rebirth
Shared: Story Rich · Puzzle · Singleplayer

Darkwood
Shared: Survival Horror · Psychological Horror · Story Rich

Detroit: Become Human
Shared: Story Rich · Cinematic · Singleplayer

OneShot
Shared: Story Rich · Puzzle · Atmospheric

A Plague Tale: Innocence
Shared: Story Rich · Stealth · Adventure

Inside the Backrooms
Shared: Puzzle · Survival Horror · Psychological Horror

Penumbra Overture
Shared: Survival Horror · Story Rich · Psychological Horror

The Test
Shared: Simulation · Story Rich · Psychological Horror

Outer Wilds
Shared: Story Rich · Puzzle · Atmospheric

Detention
Shared: Story Rich · Psychological Horror · Puzzle

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