Ubisoft is a large French video game publisher and developer with over 5,000 employees across 17 countries. It is the 3rd largest publisher in Europe and 4th largest in America, with annual sales of 871 million euros in 2009-2010. Some of Ubisoft's most successful franchises include Tom Clancy's Rainbow Six (23 million sales), Assassin's Creed (19 million), and Prince of Persia (16 million). Ubisoft also publishes dance games for the Wii like Just Dance and Just Dance 2, which have sold over 9 million copies combined and helped make the Wii the best-selling console of its generation.