Games like YesterMorrow
Games like YesterMorrow include Celeste, SANABI, Iconoclasts, Ori and the Will of the Wisps, and MO:Astray. We matched them by the tags players give YesterMorrow on Steam (Indie, Adventure, Action, Pixel Graphics, and Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Indie · Pixel Graphics · Platformer

SANABI
Shared: Pixel Graphics · Action · Adventure

Iconoclasts
Shared: Indie · Pixel Graphics · Action

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

MO:Astray
Shared: Indie · Adventure · Action

Skul: The Hero Slayer
Shared: Indie · Action · Pixel Graphics

GRIS
Shared: Indie · Adventure · Platformer

Hollow Knight: Silksong
Shared: Indie · Platformer · Adventure

OneShot
Shared: Indie · Pixel Graphics · Story Rich

Katana ZERO
Shared: Action · Pixel Graphics · Indie

Owlboy
Shared: Adventure · Indie · Pixel Graphics

Hollow Knight
Shared: Platformer · Indie · Adventure

Portal 2
Shared: Platformer · Story Rich · Singleplayer

To the Moon
Shared: Indie · Adventure · Story Rich

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Indie · Platformer

Gato Roboto
Shared: Indie · Action · Adventure

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

Freedom Planet
Shared: Action · Platformer · Indie

Eastward
Shared: Adventure · Pixel Graphics · Story Rich

Dust: An Elysian Tail
Shared: Action · Indie · Platformer

Out There Somewhere
Shared: Indie · Pixel Graphics · Platformer

Webbed
Shared: Pixel Graphics · Cute · Platformer

Broforce
Shared: Action · Pixel Graphics · Indie

ICEY
Shared: Action · Adventure · Indie