Games like Earthworm Jim
Games like Earthworm Jim include Sonic Mania, Sonic Adventure DX, Shovel Knight: Treasure Trove, Sonic Adventure 2, and Commander Keen. We matched them by the tags players give Earthworm Jim on Steam (Action, Platformer, Classic, 2D, and Comedy): closest matches first, and among equally close ones the better-known games.

Sonic Mania
Shared: Platformer · 2D · Classic

Sonic Adventure DX
Shared: Platformer · Classic · Action

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

Sonic Adventure 2
Shared: Action · Platformer · Great Soundtrack

Commander Keen
Shared: Platformer · Classic · Action

Mega Man 11
Shared: Action · Platformer · Classic

Geometry Dash
Shared: 2D · Great Soundtrack · Platformer

Crash Bandicoot™ N. Sane Trilogy
Shared: Platformer · Classic · Action

DuckTales: Remastered
Shared: Platformer · Action · Classic

Hollow Knight
Shared: Platformer · 2D · Great Soundtrack

Rayman® Legends
Shared: Platformer · Action · 2D

METAL SLUG 3
Shared: Action · Classic · Side Scroller

Sonic Origins
Shared: Action · Platformer · Classic

Pizza Tower
Shared: Great Soundtrack · Platformer · Action

Plants vs. Zombies GOTY Edition
Shared: Classic · 2D · Great Soundtrack

Broforce
Shared: Action · 2D · Platformer

Freedom Planet
Shared: Platformer · Action · 2D

The Messenger
Shared: Platformer · 2D · Action

Psychonauts
Shared: Platformer · Action · Comedy

Ori and the Will of the Wisps
Shared: Platformer · Action · Great Soundtrack

DOOM + DOOM II
Shared: Classic · Action · Great Soundtrack

Katana ZERO
Shared: Action · Platformer · Great Soundtrack

Castlevania Anniversary Collection
Shared: Action · Classic · Platformer

Cuphead
Shared: Platformer · 2D · Great Soundtrack