Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/30/2009
11:58:33 AM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
12/30/2009
10:18:38 AM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/30/2009
8:01:02 AM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/30/2009
7:53:34 AM
Common 54.5%
Get Your Left Foot Wet
Complete a match in Campaign Co-Op mode. (Online co-op only)
11/29/2009
5:42:48 AM
Rare 12.6%
Blue Ribbon
Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)
11/29/2009
5:31:17 AM
Very Rare 5.2%
Get Your Right Foot Wet
Complete a match in Competitive Co-Op mode. (Online co-op only)
11/1/2009
7:57:53 AM
Rare 16.8%
Double Time
Complete any chapter after Arrowtree in Co-op on any difficulty.
10/25/2009
6:29:14 AM
Rare 11.7%
No Safe Place
Burn an enemy out of a tree with the flamethrower in 'Hard Landing'.
8/8/2009
12:57:20 AM
Rare 27.7%
