Cofflaj

use xbox 360 controllers and as many as you want (up to 16!)
Platformer
A Co-op game where the goal is to get your teammates killed
Survival
Play in browser
A local multiplayer game full of unwinnable minigames- requires Xbox controllers!
Survival
Play in browser
GIF
A platformer about escaping the crypt, and killer currency.
Platformer
Play in browser