Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
10/26/2011
1:21:45 PM
Rare 15.2%
The Protector of Pontoon
Kill all enemies attacking your pontoon from the riverside on 'Weaken The Regime' level.
9/17/2011
1:43:56 PM
Rare 27.2%
Weapons Specialist
Fully Upgrade All Stats Of Any Weapon In Campaign Mode
9/15/2011
4:26:20 PM
Rare 42.2%
