Assault Makarov's safe house.

Execute the plan to help the Americans.

Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.

Find Rojas in the Favelas.

Get hand picked for Shepherd's elite squad.

Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.

Save 10 survivors

Create a combo weapon

Freeze and melee kill 3 Ravagers

Get a kill with every weapon in your arsenal

Use the Deadeye to kill 20 snipers

Kill 1000 enemies

Kill 5 drivers without destroying their vehicle