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