In this 2-player co-op adventure game, you go on a epic quest to retrieve the golden hat from the evil dragon who stole it, traveling all across the land and overcoming any obstacle in your way. So what are you waiting for? Play it! Its free! You can download it in the download section, or play it online on its GameJolt page.
The game before Runner 3d. Sorry mac & Linux users, this one is Windows only.