Take the following steps in this cheat codes overview to unlock the hidden Duke and Shana “Scarlett” O’Hara classic costumes in the G.I. Joe: The Rise of Cobra videogame‘s Xbox 360, PlayStation 3 and Nintendo Wii versions.
Enter the below listed codes at the main menu. It’s where you see the New Game and Load Game options.
A “Yo Joe!” sound effect will play if you entered the code correctly. The unlocked costume will be available from the start of the game.