Games like 星のなっちゃんW (Hoshi_no_Natchan_W)
Games like 星のなっちゃんW (Hoshi_no_Natchan_W) include Rogue Legacy, Skul: The Hero Slayer, Dust: An Elysian Tail, Mark of the Ninja, and Hollow Knight. We matched them by the tags players give 星のなっちゃんW (Hoshi_no_Natchan_W) on Steam (Action, Indie, Platformer, Side Scroller, and 2D): closest matches first, and among equally close ones the better-known games.

Rogue Legacy
Shared: Platformer · Indie · Action

Skul: The Hero Slayer
Shared: Action · Indie · 2D

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

Mark of the Ninja
Shared: Platformer · Indie · Action

Hollow Knight
Shared: Platformer · Indie · 2D

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Action

Broforce
Shared: Action · 2D · Platformer

Gravity Circuit
Shared: Action · Indie · Platformer

Deadlight
Shared: Action · Platformer · Indie

Shank
Shared: Action · Indie · Side Scroller

My Friend Pedro
Shared: Action · Indie · Side Scroller

Super Meat Boy
Shared: Platformer · Indie · 2D

ICEY
Shared: Action · Side Scroller · Indie

Mark of the Ninja: Remastered
Shared: Action · Indie · 2D

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

UnEpic
Shared: Indie · Action · Platformer

Monster Boy and the Cursed Kingdom
Shared: Action · Indie · Platformer

Bloodstained: Curse of the Moon
Shared: Action · Platformer · 2D

SANABI
Shared: Action · Indie · 2D

LIMBO
Shared: Indie · Platformer · 2D

Geometry Dash
Shared: 2D · Platformer · Indie

Rogue Legacy 2
Shared: Action · Platformer · Indie

Gato Roboto
Shared: Indie · Action · 2D

Eastern Exorcist
Shared: Action · Side Scroller · 2D