Games like Hamachi the Psychotic Killer
Games like Hamachi the Psychotic Killer include Super Meat Boy, Celeste, SANABI, Skul: The Hero Slayer, and Katana ZERO. We matched them by the tags players give Hamachi the Psychotic Killer on Steam (Side Scroller, 2D Platformer, Difficult, Platformer, and Villain Protagonist): closest matches first, and among equally close ones the better-known games.

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

Celeste
Shared: Difficult · 2D Platformer · Platformer

SANABI
Shared: 2D Platformer · Pixel Graphics · Action

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

Katana ZERO
Shared: Platformer · 2D Platformer · Action

Hollow Knight
Shared: Platformer · Difficult · 2D

CARRION
Shared: Villain Protagonist · Horror · Pixel Graphics

Geometry Dash
Shared: Difficult · 2D · Platformer

NINJA GAIDEN: Ragebound
Shared: 2D Platformer · Platformer · Side Scroller

Blasphemous 2
Shared: Difficult · 2D Platformer · Side Scroller

Blasphemous
Shared: 2D · Difficult · Pixel Graphics

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

Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Difficult

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

LIMBO
Shared: Platformer · 2D · Side Scroller

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

Broforce
Shared: Platformer · 2D · Action

Rain World
Shared: Difficult · Platformer · 2D

Cuphead
Shared: Difficult · Platformer · 2D

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

Spelunky 2
Shared: 2D Platformer · Platformer · Difficult

VVVVVV
Shared: Platformer · 2D Platformer · Difficult

The Messenger
Shared: Platformer · 2D · 2D Platformer

The Binding of Isaac: Rebirth
Shared: Difficult · Pixel Graphics · 2D