Enlarge / Ubisoft's Montreal headquarters. (credit: Getty Images) Ubisoft's chief creative officer tendered his resignation from the video game publisher behind series like Far Cry and Assassin's Creed on Saturday, one day before its biggest gaming-reveal event of the year. Longtime CCO Serge Hascoet, described by Bloomberg game industry reporter Jason Schreier as Ubisoft's "most powerful creative force" and "the man in charge of ALL of their games," is leaving the company effective immediately, Schreier confirmed.