Mega Man: Dr. Wily's Revenge, also known as Mega Man in Dr. Wily's Revenge or in Japan as Rockman World is a platform game developed by Minakuchi Engineering and published by Capcom for the Game Boy. It is the first game in the handheld series of the Mega Man franchise. It was released in Japan on July 26, 1991, and was localized in North America that December and in Europe the following year. The game continues the adventures of the android hero Mega Man as he once again confronts the evil Dr. Wily, who has dispatched his revived "Robot Masters" and a new "Mega Man Killer" named Enker.