Ubisoft is a large French video game publisher and developer with studios in 17 countries and over 5,000 employees. It is the third largest video game publisher in Europe and fourth largest in America. Some of Ubisoft's most successful game franchises include Assassin's Creed, Tom Clancy's Rainbow Six, Prince of Persia, and Driver. Ubisoft also publishes games for the Wii console including Just Dance, which has sold over 5 million copies and spawned a sequel, Just Dance 2. While successful, Ubisoft has also faced some controversies such as complaints about copy protection and a lawsuit over a leaked game.