Full list of all 50 Iron Man 2 achievements worth 1,000 gamerscore. It takes around 8-10 hours to unlock all of the achievements on Xbox 360.
Complete every mission on Formidable difficulty.
Prevent the first wave of Roxxon dropships from deploying their drones.
Defeat 100 enemies as War Machine while using the Omega System.
Defeat 50 enemies in melee as Iron Man while Invincible.
Defeat 100 enemies with Iron Man's laser.
Defeat 100 enemies with Iron Man's unibeam.
Defeat 100 enemies with War Machine's shotgun.
Defeat 100 enemies with Iron Man's blaster.
Only one S.H.I.E.L.D. transport lost in the canyon run.
Defeat 100 enemies with the rocket launcher.
Unlock all armor suits.
Unlock the Ultimate Iron Man armor.
Defeat ULTIMO with no armor damage.
Invent every module, ammunition, and weapon upgrade.
Destroy the A.I.M. Arc Armiger without using missile deflection.
Complete every mission on Normal difficulty.
Complete every mission on Easy difficulty.
Defeat ULTIMO.
Unlock the Extremis Iron Man armor.
At least 10 S.H.I.E.L.D. units survive the battle for the docks.
Defeat the Russian separatists as both Iron Man and War Machine.
Unlock the Silver Centurion armor.
Shut down the GREENGRID power transmitter as both Iron Man and War Machine.
Defeat more than 1,000 enemies.
Shut down the GREENGRID power transmitter.
Reposition all of the GREENGRID relays without being interrupted.
Shut down GREENGRID without needing to repair the Arc Armiger.
Unlock the Classic Iron Man armor.
Defeat A.I.M. and save the S.H.I.E.L.D. Helicarrier.
Defeat 100 enemies with homing missiles.
Unlock the Mark III Iron Man armor.
Save Rhodey and the Stark mobile armory from the A.I.M. attack.
Save all four repulsor lifts and all four stabilizers on the S.H.I.E.L.D. Helicarrier.
Destroy Project PROTEAN as both Iron Man and War Machine.
Defeat 100 enemies with War Machine's minigun.
Destroy Project PROTEAN.
Defeat 100 enemies with Iron Man's repulsor.
Defeat 100 enemies in close combat.
Reach the bottom of the elevator shaft without touching a laser tripline.
Defeat Crimson Dynamo as both Iron Man and War Machine.
Defeat the Crimson Dynamo.
Unlock the Classic Mark I Iron Man armor.
Destroy most of the structures in Shatalov's base.
Destroy all four Tesla reactor stabilizers in under 60 seconds.
Prevent the Russian separatists from deploying Roxxon Armigers.
Unlock the Mark II Iron Man armor.
Defeat a soldier with Iron Man's unibeam.
Unlock the Mark VI Iron Man armor.
Prevent Roxxon from stealing the Stark Archives.
Recover from the Roxxon EMP attack.