Careful Guidence
Online: destroy an enemy helicopter with a stationary RPG
4/19/2010
4:07:55 PM
Rare 13.1%
Double Time
Complete any chapter after Arrowtree in Co-op on any difficulty.
11/28/2009
8:02:47 PM
Rare 11.7%
Free Style Walker
Chain together any 3 physical abilities in 5 seconds or less.
11/28/2009
6:24:42 PM
Common 60.7%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/11/2009
8:39:38 PM
Common 57.6%
Ultimate Knockout
From the gassed state, KO an opponent in any mode.
10/13/2009
3:39:03 PM
Common 76.3%
Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
6/18/2009
12:48:39 PM
Rare 39.3%
Run and Gunner - Kill 3 Helghast with one burst of assault rifle fire
Kill 3 Helghast using an M82 or StA52 assault rifle without releasing the trigger
6/18/2009
12:48:30 PM
Rare 12.4%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
6/18/2009
12:24:28 PM
Rare 45.1%
