When Nintendo launched the Wii gaming console in November of 2006, no one really knew if it would be a hit or a flop. Turns out, it was more than a hit.

Nintendo announced yesterday that it has sold 30 million units of the Wii system in the United States alone. This is a staggering number, one that not many experts predicted upon it’s launch almost four years ago.

Nintendo Wii, is the first gaming console to allow users to be more interactive in games. For example, if you are playing a baseball game, your remote control becomes the baseball bat. Gamers both young and old have been attracted to system, and parents love it because it allows their children to get exercise while playing a video game.

Worldwide, Nintendo has reached almost 71 million units sold. They are on pace to break Sony Playstation 2′s mark of 140 million. New gaming systems are set to come out until 2012 by the large manufacturers like Sony and Microsoft. Nintendo however, probably won’t launch a new console until after that.