-
Duke's classic costume
At the title screen or main menu, press Left, Up, Square, Up, Right, Triangle to unlock Duke's classic costume. If you entered the code correctly, you will hear a sound.
-
Scarlett's classic costume
At the title screen or main menu, press Right, Up, Down(2), Triangle to unlock Scarlett's classic costume. If you entered the code correctly, you will hear a sound.
-
Play as Baroness, Destro, and Firefly
Successfully complete the bonus mission to unlock Baroness, Destro, and Firefly for purchase for 15 Battle Points each.
-
Trophies
Successfully complete one of the following tasks to get a trophy:
| Bronze Trophies |
| Arctic Finishd | Finish all Arctic missions. | | | Sloppy Joe | Achieve the worst rank on a level without going Man Down. | | | It Takes Two | Finish any mission in 2 player co-op. | | | Classified | Acquire all Intel Cards. | | | Half the Battle | Acquire 50% of all File Cards. | | | Gimme The Keys | Drive every G.I. JOE vehicle in the game. | | | Triplets | Pick up all three types of Point Multipliers in one mission. | | | Girls Night Out | Finish any mission using female characters only. | | | Turret Syndrome | Operate the turret in every vehicle in the game. | | | Yo Joe! | Purchase two G.I. JOE contacts. | | | Side Mission Completist | Finish all Sub-operation Missions. | | | Double Barrel Roll | Perform 10 barrel rolls in unison in any level in co-op. | | | Go Commando | Finish a mission using only Commando class characters. | | | Combat Rock | Finish a mission using only Combat class characters. | | | Firefly | Overcome Firefly. | | | Hack 'n Slash | Finish a level using only melee attacks on ground troops. | | | Man Up | Finish a Jungle or Tundra mission without going Man Down. | | | Bevvy o' Heavy | Finish a mission using only Heavy class characters. | | | Destro | Overcome Destro. | | | Code Cracker | Gain access to a Combat Soldier Class Ability door. | | | Lovers' Quarrel | Finish any mission using Baroness and Duke. | | | Arishikage Attack | Finish any mission using Snake Eyes and Storm Shadow. | | | The Tables Have Turned | Finish any Arctic, Desert, or Jungle mission using any COBRA character. | | | Lost Keys | Gain access to a Heavy Class Ability door. | | | File-o-phile | Acquire all File Cards. | | | Higher Realize | Replay a mission and earn a higher score. | | | Strike Lieutenant | Overcome every wave in one Satellite Strike mini-game. | | | Baroness | Overcome Baroness. | | | Nimble Access | Gain access to a Commando Class Ability door. | | | Lost & Found | Acquire all G.I. JOE Contacts. | | | Silver Trophies | | Jungle Finishd | Finish all Jungle missions. | | | Battle Master | Acquire and spend all 130 possible Battle Points. | | | Acceleration Celebration | Activate the Accelerator Suit three times in any mission. | | | Desert Finishd | Finish all Desert missions. | | | Strike Commander | Overcome every wave in all Satellite Strike mini-games. | | | Launch Money | Launch 50 enemies into the air and kill them.. | | | Hardcore G.I. JOE | Finish every Mission on Hardcore Difficulty. | | | Storm Shattered | Overcome Storm Shadow in all three secret arenas. | | | Accomplished Mission | Gain the highest Mission Ranking. | | | Gold Trophies | | M.A.S.S. Destruction | Destroy the M.A.S.S. Device. | | | COBRAAAA!!! | Purchase all COBRA characters. | | | All G.I. JOE Contacts | Purchase all G.I. JOE contacts. | | | Platinum Trophies | | G.I. JOE | Unlock all trophies. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
-
Bonus mission
Successfully complete the game. After the credits finish, a cutscene will begin. A bonus mission will now be available to play.