Games like A Sister's Journey
Games like A Sister's Journey include Hollow Knight, Hollow Knight: Silksong, Ori and the Will of the Wisps, Celeste, and Rain World. We matched them by the tags players give A Sister's Journey on Steam (Metroidvania, Action, Exploration, Precision Platformer, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Difficult · Exploration

Hollow Knight: Silksong
Shared: Metroidvania · Difficult · Exploration

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

Celeste
Shared: Precision Platformer · Difficult · Pixel Graphics

Rain World
Shared: Exploration · Difficult · Atmospheric

SANABI
Shared: Action · Pixel Graphics · Story Rich

Hyper Light Drifter
Shared: Action · Pixel Graphics · Difficult

Nine Sols
Shared: Metroidvania · Action · Difficult

Prince of Persia The Lost Crown
Shared: Metroidvania · Exploration · Action

Rise of the Tomb Raider™
Shared: Action · Adventure · Exploration

Crimson Desert Enhanced
Shared: Action · Exploration · Adventure

Hogwarts Legacy
Shared: Exploration · Adventure · Fantasy

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

God of War
Shared: Action · Adventure · Story Rich

Tomb Raider Game of the Year
Shared: Action · Adventure · Exploration

Dust: An Elysian Tail
Shared: Action · Metroidvania · Adventure

Fallout 4
Shared: Exploration · Adventure · Action

MIO: Memories in Orbit
Shared: Metroidvania · Exploration · Difficult

The Witcher 3: Wild Hunt — Remastered
Shared: Story Rich · Adventure · Atmospheric

ANIMAL WELL
Shared: Metroidvania · Exploration · Pixel Graphics

Jump King
Shared: Precision Platformer · Difficult · Action

Owlboy
Shared: Metroidvania · Adventure · Pixel Graphics

Blasphemous 2
Shared: Metroidvania · Difficult · Adventure

Axiom Verge
Shared: Metroidvania · Action · Pixel Graphics