Games like Alone in the School
Games like Alone in the School include Little Nightmares, Little Nightmares II, DISTRAINT: Deluxe Edition, Tales of the Black Forest, and Poppy Playtime. We matched them by the tags players give Alone in the School on Steam (Horror, Psychological Horror, Atmospheric, Puzzle, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

Little Nightmares
Shared: Horror · Atmospheric · Puzzle

Little Nightmares II
Shared: Horror · Puzzle · Atmospheric

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

Tales of the Black Forest
Shared: Horror · Pixel Graphics · Female Protagonist

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

Fran Bow
Shared: Psychological Horror · Horror · Puzzle

Firework
Shared: Horror · Puzzle · Psychological Horror

Detention
Shared: Horror · Psychological Horror · Atmospheric

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

The Room Two
Shared: Puzzle · Atmospheric · Horror

The Witch's House MV
Shared: Horror · Psychological Horror · Pixel Graphics

Pony Island
Shared: Psychological Horror · Puzzle · Horror

IMSCARED
Shared: Horror · Psychological Horror · Pixel Graphics

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

Mad Father
Shared: Horror · Psychological Horror · Pixel Graphics

MiSide
Shared: Psychological Horror · Horror · Atmospheric

Angels of Death
Shared: Horror · Puzzle · Pixel Graphics

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

SOMA
Shared: Horror · Psychological Horror · Atmospheric

DreadOut
Shared: Horror · Female Protagonist · Indie

Outlast
Shared: Horror · Atmospheric · Psychological Horror

OneShot
Shared: Pixel Graphics · Atmospheric · Puzzle

The Medium
Shared: Horror · Psychological Horror · Atmospheric

Rusty Lake Paradise
Shared: Puzzle · Psychological Horror · Horror