Games like Annie's School Trip
Games like Annie's School Trip include Celeste, SANABI, Super Meat Boy, Jump King, and Outcore: Desktop Adventure. We matched them by the tags players give Annie's School Trip on Steam (Precision Platformer, Female Protagonist, Comedy, Story Rich, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Female Protagonist · Platformer

SANABI
Shared: Story Rich · 2D Platformer · Action

Super Meat Boy
Shared: Precision Platformer · Platformer · 2D Platformer

Jump King
Shared: Precision Platformer · Psychological Horror · Platformer

Outcore: Desktop Adventure
Shared: Story Rich · Psychological Horror · Comedy

DELTARUNE
Shared: Story Rich · Comedy · Bullet Hell

OMORI
Shared: Story Rich · Psychological Horror · Indie

Undertale
Shared: Story Rich · Comedy · 2D

Portal 2
Shared: Platformer · Story Rich · Female Protagonist

Katana ZERO
Shared: Story Rich · Platformer · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Comedy · Platformer

Rusted Moss
Shared: Platformer · Story Rich · Precision Platformer

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Finding Paradise
Shared: Story Rich · 2D · Comedy

Tomb Raider Game of the Year
Shared: Female Protagonist · Story Rich · Adventure

Iconoclasts
Shared: Female Protagonist · Story Rich · Platformer

Impostor Factory
Shared: Story Rich · Psychological Horror · 2D

SILENT HILL f
Shared: Female Protagonist · Psychological Horror · Story Rich

Little Misfortune
Shared: Psychological Horror · Story Rich · Female Protagonist

Mina the Hollower
Shared: Female Protagonist · Platformer · 2D Platformer

TEVI
Shared: Female Protagonist · Story Rich · Bullet Hell

VVVVVV
Shared: Precision Platformer · Platformer · 2D Platformer

GRIS
Shared: Female Protagonist · Platformer · Story Rich

Hellblade II: Senua’s Saga
Shared: Female Protagonist · Story Rich · Psychological Horror