Games like ALONE
Games like ALONE include Angels of Death, Ib, The Witch's House MV, Tales of the Black Forest, and OMORI. We matched them by the tags players give ALONE on Steam (Puzzle, RPG, 2D, Female Protagonist, and Top-Down): closest matches first, and among equally close ones the better-known games.

Angels of Death
Shared: Puzzle · 2D · RPG

Ib
Shared: 2D · Horror · RPG

The Witch's House MV
Shared: 2D · RPG · Horror

Tales of the Black Forest
Shared: RPG · Horror · Female Protagonist

OMORI
Shared: RPG · Psychological Horror · 2D

Undertale
Shared: RPG · Choices Matter · Multiple Endings

Firework
Shared: Puzzle · 2D · Horror

Misao - 2024 HD Remaster
Shared: Puzzle · 2D · Horror

OneShot
Shared: Puzzle · Pixel Graphics · 2D

CrossCode
Shared: RPG · Puzzle · Female Protagonist

Mad Father
Shared: Horror · 2D · Psychological Horror

Pocket Mirror ~ GoldenerTraum
Shared: RPG · Horror · 2D

Turnip Boy Commits Tax Evasion
Shared: Puzzle · RPG · Top-Down

Changed
Shared: Puzzle · Psychological Horror · 2D

Ten Trials of Babel: The Doppelganger Maze
Shared: Female Protagonist · RPG · Multiple Endings

DISTRAINT: Deluxe Edition
Shared: 2D · Horror · Psychological Horror

Poppy Playtime
Shared: Puzzle · Horror · Psychological Horror

Heartbound
Shared: RPG · 2D · Psychological Horror

LUNA
Shared: Puzzle · RPG · 2D

Please, Don’t Touch Anything
Shared: Puzzle · 2D · Multiple Endings

Impostor Factory
Shared: 2D · RPG · Top-Down

Fran Bow
Shared: Puzzle · Psychological Horror · Horror

Little Misfortune
Shared: Psychological Horror · Female Protagonist · Horror

Look Outside
Shared: RPG · Horror · 2D