Games like Cosmic: A Journey Among Shadows
Games like Cosmic: A Journey Among Shadows include Hollow Knight, ANIMAL WELL, Hollow Knight: Silksong, LIMBO, and Rain World. We matched them by the tags players give Cosmic: A Journey Among Shadows on Steam (Indie, Atmospheric, 2D Platformer, Puzzle Platformer, and Exploration): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Indie · Atmospheric

ANIMAL WELL
Shared: Exploration · Metroidvania · Puzzle Platformer

Hollow Knight: Silksong
Shared: Indie · Metroidvania · Exploration

LIMBO
Shared: Indie · Puzzle Platformer · Atmospheric

Rain World
Shared: Atmospheric · Indie · Exploration

Planet of Lana
Shared: Atmospheric · Puzzle Platformer · 2D Platformer

Ori and the Will of the Wisps
Shared: Metroidvania · Atmospheric · Exploration

Nine Sols
Shared: Metroidvania · Indie · Atmospheric

GRIS
Shared: Atmospheric · Indie · Hand-drawn

Öoo
Shared: Puzzle Platformer · 2D Platformer · Metroidvania

MIO: Memories in Orbit
Shared: Atmospheric · Exploration · Indie

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Metroidvania · Exploration

Leap Year
Shared: 2D Platformer · Exploration · Puzzle Platformer

INSIDE
Shared: Atmospheric · Puzzle Platformer · Indie

Outer Wilds
Shared: Exploration · Atmospheric · Mystery

Braid
Shared: Indie · Puzzle Platformer · 2D Platformer

Firework
Shared: Indie · Atmospheric · Mystery

FEZ
Shared: Indie · Exploration · Puzzle

COCOON
Shared: Indie · Exploration · Atmospheric

FAR: Lone Sails
Shared: Atmospheric · Indie · Exploration

Haiku, the Robot
Shared: Atmospheric · Metroidvania · Exploration

Gorogoa
Shared: Indie · Atmospheric · Hand-drawn

Unbound: Worlds Apart
Shared: Indie · Atmospheric · Metroidvania

Webbed
Shared: 2D Platformer · Puzzle Platformer · Exploration