Games like GRIBOUILLE
Games like GRIBOUILLE include Hollow Knight, GRIS, Celeste, Hollow Knight: Silksong, and Webbed. We matched them by the tags players give GRIBOUILLE on Steam (Adventure, Platformer, Collectathon, 2D Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Platformer · 2D · Adventure

GRIS
Shared: Adventure · Platformer · Indie

Celeste
Shared: Platformer · 2D Platformer · Indie

Hollow Knight: Silksong
Shared: Platformer · 2D · Indie

Webbed
Shared: 2D Platformer · Platformer · 2D

Rain World
Shared: Platformer · 2D · Indie

Thank Goodness You're Here!
Shared: Adventure · Hand-drawn · 2D Platformer

SANABI
Shared: Adventure · 2D Platformer · 2D

LIMBO
Shared: Platformer · Adventure · Indie

A Hat in Time
Shared: Collectathon · Adventure · Platformer

Ori and the Will of the Wisps
Shared: Platformer · Adventure · Singleplayer

FEZ
Shared: Platformer · Adventure · Indie

Neva
Shared: Adventure · Platformer · Indie

Owlboy
Shared: Adventure · Platformer · 2D

Slime Rancher
Shared: Adventure · Open World · Singleplayer

Yoku's Island Express
Shared: Adventure · Platformer · Singleplayer

Carto
Shared: Adventure · Indie · Hand-drawn

Nine Sols
Shared: Platformer · 2D · Hand-drawn

Creepy Tale
Shared: Adventure · Platformer · 2D Platformer

Braid
Shared: 2D Platformer · Platformer · 2D

Laughing to Die
Shared: Adventure · Platformer · 2D Platformer

Portal 2
Shared: Platformer · Singleplayer · Adventure

Hoa
Shared: 2D Platformer · Hand-drawn · Adventure

Constance
Shared: Platformer · 2D · Adventure