The Sims 3 is a computer game for Microsoft Windows and Mac OS X. It was released on June 2, 2009 and is a sequel to the popular "The Sims" and "The Sims 2" computer games. There have been versions of the game for consoles and mobile phones as well. "The Sims 3" was a success right when it was released. The game has sold 1.4 million copies in its first week and over ten million copies worldwide to date.