Believe it or not, the classic Super Mario 64 is almost 20 years old (it turned 19 this past weekend). Yes, we’re all very old. Mario 64 wasn’t merely a great game, or a fantastic entry in the Mario series, it was one of the most influential and important video games of all-time. It was the game that definitively proved this 3D gaming thing was a good idea and here to stay.
Source: Luigi Was Almost In The Game And Other Facts You Might Not Know About ‘Super Mario 64’