Games like Ex-Master, Zombie
Games like Ex-Master, Zombie include Momodora: Reverie Under The Moonlight, Hollow Knight, SANABI, Rain World, and Celeste. We matched them by the tags players give Ex-Master, Zombie on Steam (Side Scroller, Exploration, 2D Platformer, Adventure, and Platformer): closest matches first, and among equally close ones the better-known games.

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · Exploration

Hollow Knight
Shared: Platformer · Exploration · 2D

SANABI
Shared: 2D Platformer · Adventure · Pixel Graphics

Rain World
Shared: Exploration · Platformer · 2D

Celeste
Shared: 2D Platformer · Platformer · Pixel Graphics

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

Webbed
Shared: 2D Platformer · Exploration · Pixel Graphics

Thank Goodness You're Here!
Shared: Adventure · Exploration · 2D Platformer

Rogue Legacy 2
Shared: Arcade · Platformer · Adventure

Haiku, the Robot
Shared: Exploration · Adventure · Platformer

Prince of Persia The Lost Crown
Shared: Exploration · 2D Platformer · Side Scroller

Sonic Mania
Shared: Platformer · 2D · Adventure

Shovel Knight: Treasure Trove
Shared: Platformer · Adventure · Pixel Graphics

ANIMAL WELL
Shared: Exploration · Platformer · Pixel Graphics

Terraria
Shared: Adventure · 2D · Exploration

Pizza Tower
Shared: 2D Platformer · Platformer · Pixel Graphics

Five Nights at Freddy's: Into the Pit
Shared: Adventure · Exploration · 2D

Monster Boy and the Cursed Kingdom
Shared: Adventure · Side Scroller · Platformer

VVVVVV
Shared: 2D Platformer · Platformer · Pixel Graphics

Reventure
Shared: Adventure · Platformer · Pixel Graphics

Öoo
Shared: 2D Platformer · Exploration · 2D

FEZ
Shared: Platformer · Exploration · Adventure

Afterimage
Shared: 2D Platformer · Side Scroller · Exploration

Touhou Luna Nights
Shared: Side Scroller · Exploration · Platformer