Find Rojas in the Favelas.

Kill at least 3 enemies with a single shot from a grenade launcher.

Kill 20 enemies with explosives in a single level.

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

Save the farmer.

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

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

Infiltrate a cargo ship.

Kill Shepherd.

Kill 2 enemies with a single bullet.

Help train the local militia.

Complete Operation Chaos in Campaign on any difficulty.

Knock down 15 metal targets on Main Street in Redlight, Greenlight.