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

Super Meat Boy
Shared: Precision Platformer · Platformer · Indie

Celeste
Shared: Precision Platformer · Indie · Pixel Graphics

Pizza Tower
Shared: Indie · 2D Platformer · Platformer

VVVVVV
Shared: Precision Platformer · Indie · Platformer

Katana ZERO
Shared: Pixel Graphics · Platformer · Indie

SANABI
Shared: Pixel Graphics · 2D Platformer · Indie

Downwell
Shared: Precision Platformer · Indie · Pixel Graphics

Gravity Circuit
Shared: Indie · Platformer · Pixel Graphics

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Jump King
Shared: Precision Platformer · Indie · Pixel Graphics

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

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

The Messenger
Shared: Platformer · Pixel Graphics · Indie

Hollow Knight
Shared: Platformer · Indie · 2D

Ambidextro
Shared: Precision Platformer · 2D Platformer · Indie

Electronic Super Joy
Shared: Indie · Platformer · Precision Platformer

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

NINJA GAIDEN: Ragebound
Shared: Platformer · 2D Platformer · Pixel Graphics

Gato Roboto
Shared: Indie · Pixel Graphics · Platformer

Rain World
Shared: Indie · Platformer · Pixel Graphics

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

Sonic Mania
Shared: Platformer · 2D · Pixel Graphics

Freedom Planet
Shared: Platformer · Indie · 2D

Broforce
Shared: Pixel Graphics · Platformer · Indie

