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

Katana ZERO
Shared: Action · Pixel Graphics · Platformer

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

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

Broforce
Shared: Action · Pixel Graphics · 2D

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

Blasphemous
Shared: Pixel Graphics · 2D · Action

Celeste
Shared: Platformer · Pixel Graphics · 2D Platformer

Skul: The Hero Slayer
Shared: Action · Indie · Pixel Graphics

CARRION
Shared: Action · Pixel Graphics · Gore

Hotline Miami
Shared: Action · Pixel Graphics · Indie

Downwell
Shared: Platformer · Pixel Graphics · 2D Platformer

Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Gore

Gravity Circuit
Shared: Action · Platformer · 2D Platformer

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

Rogue Legacy 2
Shared: Action · Arcade · Platformer

Rogue Legacy
Shared: Platformer · Action · Indie

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

The Messenger
Shared: Platformer · Pixel Graphics · Action

People Playground
Shared: 2D · Gore · Violent

Vampire Survivors
Shared: Pixel Graphics · 2D · Indie

VVVVVV
Shared: Platformer · 2D Platformer · Pixel Graphics

Exit the Gungeon
Shared: Action · Arcade · Indie

BlazBlue Entropy Effect
Shared: Action · 2D · Platformer

Superfighters Deluxe
Shared: Action · 2D · Pixel Graphics