Finish a level using only melee attacks on ground troops (P1 only)
Continue playing to unlock this secret achievement.
Complete a mission using only Heavy class characters (P1 only)
Collect and spend all 130 possible Battle Points (P1 only)
Operate the turret in every vehicle in the game (P1 only)
Achieve the worst rank on a level without going Man Down (P1 only)
Perform 10 barrel rolls in unison in any level in co-op (P1 only)
Complete any mission in 2 player co-op (P1 only)
Complete mission with higher than 50% Dual Targeting kills (P1 only)
Defeat Storm Shadow in all three secret arenas (P1 only)
Collect all G.I. JOE Contacts (P1 only)
Defeat every wave in all Satellite Strike mini-games (P1 only)
Complete any mission using female characters only (P1 only)
Complete a mission using only Commando class characters (P1 only)
Replay a mission and earn a higher score (P1 only)
Purchase all G.I. JOE contacts (P1 only)
Complete a mission using only Combat class characters (P1 only)
Collect all File Cards (P1 only)
Collect all Intel Cards (P1 only)
Complete every Mission on Hardcore Difficulty (P1 only)
Destroy the M.A.S.S. Device (P1 only)
Complete all Desert missions (P1 only)
Drive every G.I. JOE vehicle in the game (P1 only)
Defeat Firefly (P1 only)
Complete all Arctic missions (P1 only)
Defeat Baroness (P1 only)
Complete all Jungle missions (P1 only)
Defeat Destro (P1 only)
Gain access to a Combat Soldier Class Ability door (P1 only)
Launch 50 enemies into the air and kill them (P1 only)
Collect 50% of all File Cards (P1 only)
Gain access to a Commando Class Ability door (P1 only)
Complete a Jungle or Tundra mission without going Man Down (P1 only)
Activate the Accelerator Suit three times in any mission (P1 only)
Defeat every wave in one Satellite Strike mini-game (P1 only)
Purchase two G.I. JOE contacts (P1 only)
Pick up all three types of Point Multipliers in one mission (P1 only)
Gain the highest Mission Ranking (P1 only)
Gain access to a Heavy Class Ability door (P1 only)
