Ubisoft is a software company.
Ubisoft Entertainment SA ( formerly Ubi Soft Entertainment Software ) , doing business as Ubisoft ( formerly Ubi Soft ) , is a French multinational video game publisher , headquartered in Rennes , France . It is known for developing games for several acclaimed video game franchises including Assassin 's Creed , Far Cry , Just Dance , Prince of Persia , Rayman , and Tom Clancy 's .