Simplify the following text for a Grade 7 native English-speaking person.
Original: Mega Man 2 , known in Japan as Rockman 2 : The Mystery of Dr. Wily , is a platform video game made by Capcom for the Nintendo Entertainment System game console .
Simplified: Mega Man 2 , known in Japan as Rockman 2 : Dr. Wily no Nazo , is a platform game developed and published by Capcom for the Nintendo Entertainment System .