Games like H=ZERO
Games like H=ZERO include Hollow Knight, Ori and the Will of the Wisps, Hollow Knight: Silksong, Dust: An Elysian Tail, and Rogue Legacy 2. We matched them by the tags players give H=ZERO on Steam (Adventure, Action, Platformer, Metroidvania, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Platformer · Metroidvania · Adventure

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

Hollow Knight: Silksong
Shared: Metroidvania · Platformer · Indie

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

Rogue Legacy 2
Shared: Platformer · Action · Metroidvania

Nine Sols
Shared: Metroidvania · Platformer · Action

SANABI
Shared: Action · Adventure · 2D Platformer

F.I.S.T.: Forged In Shadow Torch
Shared: Action · Platformer · Metroidvania

Axiom Verge
Shared: Metroidvania · Platformer · Action

SteamWorld Dig 2
Shared: Adventure · Action · Metroidvania

Ghost 1.0
Shared: Action · Adventure · Metroidvania

Dead Cells
Shared: Adventure · Metroidvania · Platformer

Skul: The Hero Slayer
Shared: Action · Indie · Platformer

Gato Roboto
Shared: Action · Metroidvania · Adventure

SteamWorld Dig
Shared: Platformer · Metroidvania · Adventure

BEEP
Shared: Adventure · Platformer · Indie

Ghost Song
Shared: Metroidvania · Action · Sci-fi

Phoenotopia: Awakening
Shared: Adventure · Action · Platformer

The Messenger
Shared: Platformer · Metroidvania · Action

Monster Boy and the Cursed Kingdom
Shared: Adventure · Action · Metroidvania

Owlboy
Shared: Adventure · Platformer · Metroidvania

CARRION
Shared: Action · Metroidvania · Adventure

Rogue Legacy
Shared: Platformer · Action · Indie

Blasphemous
Shared: Metroidvania · Action · Platformer