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.
Complete every mission on Normal difficulty.
Save all four repulsor lifts and all four stabilizers on the S.H.I.E.L.D. Helicarrier.
Defeat 50 enemies in melee as Iron Man while Invincible.
Defeat 100 enemies with Iron Man's unibeam.
Defeat ULTIMO with no armor damage.
Defeat 100 enemies as War Machine while using the Omega System.
Defeat 100 enemies with the rocket launcher.
Defeat 100 enemies with homing missiles.
Defeat 100 enemies with War Machine's shotgun.
Defeat 100 enemies with Iron Man's laser.
Defeat 100 enemies with Iron Man's blaster.
Destroy most of the structures in Shatalov's base.
Invent every module, ammunition, and weapon upgrade.
Unlock all armor suits.
Complete every mission on Easy difficulty.
Unlock the Ultimate Iron Man armor.
Defeat ULTIMO.
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.
Destroy the A.I.M. Arc Armiger without using missile deflection.
Unlock the Mark III Iron Man armor.
Save Rhodey and the Stark mobile armory from the A.I.M. attack.
Destroy Project PROTEAN as both Iron Man and War Machine.
Unlock the Extremis Iron Man armor.
Destroy Project PROTEAN.
Reach the bottom of the elevator shaft without touching a laser tripline.
Defeat Crimson Dynamo as both Iron Man and War Machine.
Defeat 100 enemies with War Machine's minigun.
Defeat 100 enemies in close combat.
Unlock the Classic Mark I Iron Man armor.
Defeat the Crimson Dynamo.
Defeat 100 enemies with Iron Man's repulsor.
Destroy all four Tesla reactor stabilizers in under 60 seconds.
Defeat the Russian separatists as both Iron Man and War Machine.
At least 10 S.H.I.E.L.D. units survive the battle for the docks.
Defeat a soldier with Iron Man's unibeam.
Unlock the Mark II Iron Man armor.
Prevent the Russian separatists from deploying Roxxon Armigers.
Only one S.H.I.E.L.D. transport lost in the canyon run.
Unlock the Mark VI Iron Man armor.
Prevent Roxxon from stealing the Stark Archives.
Prevent the first wave of Roxxon dropships from deploying their drones.
Recover from the Roxxon EMP attack.