Mega Man 4

Mega Man 4, known in Japan as Rockman 4: Aratanaru Yabō!! (ロックマン4 新たなる野望!!, Rokkuman Fō Aratanaru Yabō!!, lit. "Rockman 4: A New Ambition!!"), is an action-platform game developed by Capcom for the Nintendo Entertainment System. It is the fourth game in the original Mega Man series and was originally released in Japan in 1991. The game was localized in North America the following January, and in Europe in 1993. The game's story takes place after the third defeat and supposed death of Dr. Wily, and features the Earth coming under threat from a mysterious scientist named Dr.