Games like Missing Cat
Games like Missing Cat include Celeste, Super Meat Boy, Hollow Knight: Silksong, Pizza Tower, and Rain World. We matched them by the tags players give Missing Cat on Steam (Difficult, Platformer, 2D Platformer, Casual, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Difficult · Pixel Graphics · Platformer

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

Hollow Knight: Silksong
Shared: Difficult · Platformer · Indie

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

Rain World
Shared: Difficult · Platformer · Pixel Graphics

Katana ZERO
Shared: Pixel Graphics · Platformer · 2D Platformer

VVVVVV
Shared: Platformer · Pixel Graphics · 2D Platformer

SANABI
Shared: Pixel Graphics · 2D Platformer · Platformer

Hollow Knight
Shared: Platformer · Difficult · Singleplayer

Getting Over It with Bennett Foddy
Shared: Difficult · Platformer · Singleplayer

Downwell
Shared: Platformer · Pixel Graphics · 2D Platformer

Geometry Dash
Shared: Difficult · Platformer · Singleplayer

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Pixel Graphics · Difficult

Spelunky 2
Shared: Platformer · Difficult · 2D Platformer

Eryi's Action
Shared: Platformer · Difficult · 2D Platformer

Braid
Shared: 2D Platformer · Platformer · Difficult

Turbo Pug
Shared: Difficult · Casual · Pixel Graphics

The Binding of Isaac: Rebirth
Shared: Difficult · Pixel Graphics · Indie

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

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

They Bleed Pixels
Shared: Platformer · Difficult · Pixel Graphics

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

Jump King
Shared: Difficult · Platformer · Pixel Graphics

FEZ
Shared: Platformer · Pixel Graphics · Indie