G.I. JOE: The Rise of Cobra - Sony PSP Enjoy a co-op on the go in a gameplay mode that allows you to control two G.I. Joe characters, and call in others for backup. Move beyond the movie and live the life and legend of G.I. Joe through a new storyline developed exclusively for the game. Choose from all your favorite G.I. Joe characters, as well as Cobra operatives, as you exploit their unique fighting styles, skills and weapons. Unlock playable cobra characters as the game progresses, including a variety of different Cobra characters. Put the pedal to the metal as you command heavy firepower with G.I. Joe vehicles and artillery.