Games like Animal Kostume
Games like Animal Kostume include Super Meat Boy, Celeste, Geometry Dash, SANABI, and Cuphead. We matched them by the tags players give Animal Kostume on Steam (Side Scroller, 2D Platformer, Bullet Hell, Difficult, and Platformer): closest matches first, and among equally close ones the better-known games.

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

Celeste
Shared: Difficult · 2D Platformer · Platformer

Geometry Dash
Shared: Difficult · Platformer · 2D

SANABI
Shared: 2D Platformer · Action · Platformer

Cuphead
Shared: Difficult · Platformer · Bullet Hell

Broforce
Shared: Action · Platformer · Side Scroller

Shovel Knight: Treasure Trove
Shared: Platformer · Difficult · Side Scroller

Exit the Gungeon
Shared: Bullet Hell · Arcade · Action

Katana ZERO
Shared: 2D Platformer · Action · Platformer

Bit Blaster XL
Shared: Bullet Hell · Difficult · Shooter

Touhou Luna Nights
Shared: Side Scroller · Difficult · Bullet Hell

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Side Scroller · Difficult

Rogue Legacy 2
Shared: Platformer · Arcade · Action

Pizza Tower
Shared: 2D Platformer · Platformer · Action

NINJA GAIDEN: Ragebound
Shared: 2D Platformer · Side Scroller · Platformer

Skul: The Hero Slayer
Shared: Action · Platformer · Side Scroller

Huntdown
Shared: Side Scroller · Shooter · Action

Blasphemous 2
Shared: Difficult · 2D Platformer · Side Scroller

Terminator 2D: NO FATE
Shared: Side Scroller · 2D Platformer · Shooter

Volgarr the Viking
Shared: Difficult · Platformer · Action

Contra Anniversary Collection
Shared: Side Scroller · Action · Platformer

VVVVVV
Shared: 2D Platformer · Platformer · Difficult

Rise & Shine
Shared: Side Scroller · 2D Platformer · Bullet Hell

Downwell
Shared: 2D Platformer · Platformer · Difficult