Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
3/19/2010
4:17:34 AM
Common 57.6%
Run-and-Gunner
Defeat 20 enemies by shooting from the hip (without aiming with L1)
3/1/2010
3:45:14 AM
Rare 21.3%
Bubble Boy
Block 1000 shots with Shield power in a single player campaign.
2/24/2010
4:34:57 AM
Rare 19.8%
Gadget Freak
Purchase all the upgrades for one of your weapons in the single player campaign.
2/21/2010
8:05:13 AM
Rare 31.7%
Beatdown
Kill 50 enemies with melee attacks in a single player campaign.
2/19/2010
5:19:38 AM
Rare 22.3%
