Roadkill

Kill 2 enemies by blowing up a car in the single player campaign.

Desperate Measures

Corner Zakhaev's Son.

Three of a Kind

Kill 3 enemies in a row with your knife in the single player campaign.

Piggyback Ride

Carry Cpt. MacMillan to safety.

Reinforcement Denied

Kill at least 3 rappelling enemies in a single rope.

Ghillies In The Mist

Complete 'All Ghillied Up' without alerting any enemies.

Wrong Number

Find Al-Asad's safehouse.

Down Boy Down

Survive a dog attack.

Daredevil

Kill an enemy while blinded by a flashbang in the single player campaign.

Explosion Man

Kill 20 enemies with explosives in a single level.

Bird on the Ground

Shoot down an enemy helicopter with an RPG in the single player campaign.

Death From Above

Operate an AC-130 gun ship.

Straight Flush

Kill 5 enemies with one shot while in the AC-130 gunship.

Save the Bacon

Protect 'War Pig', the Abrams tank.

Feel the Heat

Kill all 4 tanks on the overpass with the Javelin missile in 'The Bog'.

Rescue Roycewicz

Save Pvt. Roycewicz on the stairs.

Four of a Kind

Kill 4 enemies in a row with headshots in the single player campaign.

Dancing in the Dark

Kill the power.

Make the Jump

Infiltrate a cargo ship.

Earn a Winged Dagger

Complete 'F.N.G.'.