Colonel Sanderson
Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.
3/30/2010
2:22:11 PM
Very Rare 6.8%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
3/12/2010
4:45:54 PM
Rare 21.2%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
2/25/2010
3:36:48 PM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
1/7/2010
5:23:56 PM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
1/7/2010
5:20:36 PM
Common 54.5%
Two of my favorites!
Watch the Octagon Girl cutscene 15 times without skipping it.
12/11/2009
8:02:31 PM
Rare 14.7%
The Cleaner
Destroy 10 Military Bases or Infected Hives in New York City.
10/4/2009
1:50:04 PM
Rare 39.4%
