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