Games like Covid Carl
Games like Covid Carl include Broforce, Skul: The Hero Slayer, Katana ZERO, Hollow Knight, and SANABI. We matched them by the tags players give Covid Carl on Steam (Action, Platformer, Shooter, 2D Platformer, and Metroidvania): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Platformer · Pixel Graphics

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

Katana ZERO
Shared: Action · Platformer · Pixel Graphics

Hollow Knight
Shared: Platformer · Metroidvania · 2D

SANABI
Shared: Action · Pixel Graphics · 2D Platformer

The Messenger
Shared: Platformer · Metroidvania · Action

Rogue Legacy
Shared: Platformer · Action · 2D

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

Pizza Tower
Shared: 2D Platformer · Platformer · Action

Gravity Circuit
Shared: Action · Platformer · 2D

Blasphemous
Shared: Metroidvania · Pixel Graphics · 2D

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

Dust: An Elysian Tail
Shared: Action · Platformer · Metroidvania

Celeste
Shared: Platformer · Pixel Graphics · 2D Platformer

Axiom Verge
Shared: Platformer · Metroidvania · Action

Brawlhalla
Shared: 2D Platformer · Platformer · Action

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

Gato Roboto
Shared: Action · Metroidvania · Platformer

Ori and the Will of the Wisps
Shared: Platformer · Metroidvania · Action

Huntdown
Shared: Action · Shooter · Pixel Graphics

Bloodstained: Curse of the Moon
Shared: Action · Platformer · Pixel Graphics

Duck Game
Shared: Action · Platformer · Pixel Graphics

SHINOBI: Art of Vengeance
Shared: Action · Platformer · 2D Platformer

Rogue Legacy 2
Shared: Platformer · Action · Metroidvania