Can you help me identify what video game is this (link below)

http://cdn.geekwire.com/wp-content/uploads/2012/02/techtune33.mp3
ITS NOT A VIRUS ITS JUST A Mp3..PLEASE HELP ME!!what video game is this theme song from..i think its an opening...its a contest and i need a answer!!PLEASE HELP!!! :-\ :-\ :-\ :-\

You are in luck, it rings a very familiar bell here.

I know...i really sounds familiar but I cant remember it...thats why i need help..