Achievements
Complete each achievement to get the allotted gamerscore
Duke and Scarlett classic costumes
Enter these codes at the main menu with the New Game and Load Game options
Snake Eyes
How to get that awesome sword wielder named Snake Eyes in GI JOE The Rise Of The Cobra
UnlockableHowSnake EyesGo to the ARTIC AREA and select the bonus mission that you unlocked before fighting The Baroness Then complete the level to unlock Snake EyesHe can then be purchased for 7 BATTLE POINTS