Games like A Simple Platformer
Games like A Simple Platformer include Katana ZERO, Super Meat Boy, SANABI, Gravity Circuit, and Pizza Tower. We matched them by the tags players give A Simple Platformer on Steam (Action, 2D Platformer, 2D, Psychological, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Katana ZERO
Shared: Action · 2D Platformer · 2D

Super Meat Boy
Shared: 2D Platformer · 2D · Platformer

SANABI
Shared: Action · 2D Platformer · 2D

Gravity Circuit
Shared: Action · 2D · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Indie · Action

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

Hollow Knight
Shared: 2D · Platformer · Singleplayer

Rogue Legacy
Shared: Action · 2D · Platformer

Dust: An Elysian Tail
Shared: Action · 2D · Platformer

ANTONBLAST
Shared: 2D Platformer · Action · 2D

My Friend Pedro
Shared: Action · Indie · Violent

Celeste
Shared: 2D Platformer · Indie · 2D

Mark of the Ninja
Shared: Action · 2D · Platformer

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

Planet of Lana
Shared: Action · 2D Platformer · Singleplayer

20XX
Shared: Action · 2D Platformer · 2D

Hotline Miami
Shared: Action · Violent · Indie

NINJA GAIDEN: Ragebound
Shared: Action · 2D Platformer · 2D

Have a Nice Death
Shared: 2D · Action · 2D Platformer

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

Shank
Shared: Action · 2D · Indie

Blasphemous
Shared: 2D · Action · Violent

SHINOBI: Art of Vengeance
Shared: Action · 2D Platformer · 2D

Super Meat Boy Forever
Shared: Action · Indie · 2D