Good old Ninja Gaiden, the first chapter of a classic NES series. Some newer generation gamers have yet to play this awesome series but if you own a Wii and have a few extra points to spare, I suggesting getting all 3 NES Ninja Gaiden games.
From Wikipedia:
is a series of video games by Tecmo featuring the ninja Ryu Hayabusa as its protagonist. The series was originally known as in Japan. Learn about Ninja Gaiden
