Sky dive to safety on Veteran difficulty.
Find 30 enemy intel items.
Get a kill with each type of handheld gun, explosive and launcher in the single player campaign.
Kill all 4 tanks on the overpass with the Javelin missile in 'The Bog'.
Destroy 8 enemy helicopters in 'Heat'.
Shoot down an enemy helicopter with an RPG in the single player campaign.
Destroy all the TVs showing Al-Asad's speech.
Kill 2 enemies by blowing up a car in the single player campaign.
Save Pvt. Roycewicz on the stairs.
Kill 20 attack dogs with a knife.
Alert the enemy helicopter in 'All Ghillied Up' and take it down.
Beat IW best time on the Ship Training course in 'F.N.G.' (15.1 sec).
Find the Desert Eagle in 'Crew Expendable' and kill 5 enemies with it.
Complete any level using only the knife to kill enemies.
Complete any level without reloading your weapon (excluding 'The Coup' and 'Aftermath').
Kill 3 enemies in a row with your knife in the single player campaign.
Complete the game on any difficulty.
Complete the game on Hardened or Veteran difficulty.
Complete 'Game Over' on Veteran difficulty.
Complete 'Ultimatum', 'All In', and 'No Fighting in the War Room' on Veteran difficulty.
Stab an injured crawling enemy.
Corner Zakhaev's Son.
Complete 'Heat' and 'The Sins of the Father' on Veteran difficulty.
Find 15 enemy intel items.
Find and use the hidden cache in 'Heat'.
Carry Cpt. MacMillan to safety.
Complete 'All Ghillied Up' and 'One Shot, One Kill' on Veteran difficulty.
Kill at least 3 rappelling enemies in a single rope.
Survive a dog attack.
Complete 'All Ghillied Up' without alerting any enemies.
Find Al-Asad's safehouse.
Complete 'Safehouse' on Veteran difficulty.
Complete 'Shock and Awe' on Veteran difficulty.
Kill 20 enemies with explosives in a single level.
Complete 'The Bog' and 'War Pig' on Veteran difficulty.
Operate an AC-130 gun ship.
Complete 'Hunted' and 'Death From Above' on Veteran difficulty.
Kill 5 enemies with one shot while in the AC-130 gunship.
Save the farmer.
Protect 'War Pig', the Abrams tank.
Complete 'Charlie Don't Surf' on Veteran difficulty.
Kill the power.
Complete 'Blackout' on Veteran difficulty.
Kill an enemy while blinded by a flashbang in the single player campaign.
Kill 4 enemies in a row with headshots in the single player campaign.
Infiltrate a cargo ship.
Complete 'Crew Expendable' on Veteran difficulty.
Complete 'F.N.G.'.
Complete the cargo ship mockup in less than 19 seconds.