Steve Cartwright is an American computer and video game designer. He is best known as one of the original Activision game designers, credited with such games as Barnstorming, Megamania, Seaquest and Hacker.Cartwright is credited with the following video game milestones: Directed / patented first use of mouse-over to collect on-screen rewards (Zoo World 2) Designed / developed first political boxing game (Bush vs.