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

Hollow Knight
Shared: Platformer · 2D · Adventure

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

Celeste
Shared: Platformer · 2D Platformer · Indie

GRIS
Shared: Atmospheric · Adventure · Platformer

SANABI
Shared: Adventure · 2D Platformer · 2D

LIMBO
Shared: Platformer · Adventure · Indie

Neva
Shared: Adventure · Platformer · Atmospheric

Rain World
Shared: Atmospheric · Platformer · 2D

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

Mark of the Ninja
Shared: Platformer · 2D · Adventure

Owlboy
Shared: Adventure · Platformer · 2D

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

Little Nightmares
Shared: Adventure · Atmospheric · Singleplayer

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

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

Deadlight
Shared: Platformer · Adventure · Atmospheric

Dead Cells
Shared: Adventure · 2D · Platformer

Thomas Was Alone
Shared: Platformer · 2D Platformer · 2D

MIO: Memories in Orbit
Shared: Platformer · Atmospheric · Singleplayer

INSIDE
Shared: Atmospheric · Adventure · Singleplayer

A Story About My Uncle
Shared: Adventure · Platformer · Atmospheric

Braid
Shared: 2D Platformer · Platformer · 2D

FAR: Lone Sails
Shared: Adventure · Atmospheric · Singleplayer

BEEP
Shared: Platformer · Adventure · 2D