Club Penguin: Elite Penguin Force is a video game for the Nintendo DS based on Disney's popular massively multiplayer online game, Club Penguin. It was released in the US on November 25, 2008, in Europe on March 13, 2009, and in Australia on April 16, 2009. In September 2009, a Collector's Edition was also released and included upgrades to the game and extras.This game is about the PSA, an elite spy agency devoted to keeping Club Penguin safe. It has sold more than 1.5 million copies worldwide.