Games like Cat Box Paradox
Games like Cat Box Paradox include Celeste, Super Meat Boy, Pizza Tower, VVVVVV, and Katana ZERO. We matched them by the tags players give Cat Box Paradox on Steam (Precision Platformer, 2D Platformer, Difficult, Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · 2D Platformer

Super Meat Boy
Shared: Precision Platformer · Difficult · Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Fast-Paced

VVVVVV
Shared: Precision Platformer · Platformer · 2D Platformer

Katana ZERO
Shared: Platformer · 2D Platformer · Action

Downwell
Shared: Precision Platformer · Platformer · 2D Platformer

SANABI
Shared: 2D Platformer · Pixel Graphics · Action

Jump King
Shared: Precision Platformer · Difficult · Platformer

Geometry Dash
Shared: Difficult · Precision Platformer · 2D

Bread & Fred
Shared: 2D Platformer · Cute · Precision Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Pixel Graphics · 2D

The Messenger
Shared: Platformer · 2D · Pixel Graphics

Rain World
Shared: Difficult · Platformer · 2D

The End Is Nigh
Shared: Precision Platformer · Platformer · Difficult

Hollow Knight
Shared: Platformer · Difficult · 2D

Cuphead
Shared: Difficult · Platformer · 2D

Ambidextro
Shared: Precision Platformer · 2D Platformer · Action

Alex Kidd in Miracle World DX
Shared: Precision Platformer · 2D Platformer · Difficult

Windswept
Shared: 2D Platformer · Precision Platformer · Difficult

Gravity Circuit
Shared: Platformer · Action · 2D Platformer

Broforce
Shared: Action · 2D · Platformer

Skul: The Hero Slayer
Shared: Action · 2D · Pixel Graphics

Webbed
Shared: 2D Platformer · Cute · Pixel Graphics

Spelunky 2
Shared: 2D Platformer · Platformer · Difficult