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 franchises include Assassin's Creed, Tom Clancy's Rainbow Six, and Prince of Persia. The Just Dance series on the Wii console has also seen strong sales, with the first game selling over 4 million copies and Just Dance 2 selling over 5 million. Ubisoft has faced some controversies over the years related to copy protection issues and lawsuits.