Games like Zack Zero
Games like Zack Zero include Skul: The Hero Slayer, Deadlight, Dust: An Elysian Tail, Mark of the Ninja, and ICEY. We matched them by the tags players give Zack Zero on Steam (Action, Indie, Adventure, Platformer, and Singleplayer): closest matches first, and among equally close ones the better-known games.

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

Deadlight
Shared: Action · Indie · Platformer

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

Mark of the Ninja
Shared: Indie · Platformer · Action

ICEY
Shared: Action · Adventure · Indie

Hollow Knight
Shared: Platformer · Indie · Singleplayer

SANABI
Shared: Action · Adventure · Indie

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

Rogue Legacy 2
Shared: Action · Platformer · Indie

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

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

Rogue Legacy
Shared: Indie · Platformer · Action

Seen
Shared: Indie · Adventure · Singleplayer

LIMBO
Shared: Indie · Platformer · Adventure

Hollow Knight: Silksong
Shared: Indie · Singleplayer · Platformer

Dungeon Munchies
Shared: Action · Indie · Adventure

Zombotron
Shared: Action · Adventure · Indie

MO:Astray
Shared: Action · Indie · Adventure

Gato Roboto
Shared: Indie · Action · Adventure

Angvik
Shared: Indie · Action · Platformer

BEEP
Shared: Indie · Adventure · Platformer

My Friend Pedro
Shared: Action · Indie · Singleplayer

Angry Video Game Nerd Adventures
Shared: Indie · Action · Platformer

Pumpkin Jack
Shared: Action · Adventure · Indie