This product is also called Rockman 2: Dr. Wily no Nazo in Japan.
Background
In the year 200x, a super-robot named Mega Man was created by Dr. Light to stop the evil desires of Dr. Wily. However, after his defeat, Dr. Wily created eight of his own robots to counter Mega Man.
International release dates: Europe: Dec 14, 90 Japan: Dec 24, 88
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