Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
12/28/2009
10:40:46 PM
Rare 15.2%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/28/2009
10:40:40 PM
Common 54.5%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
12/24/2009
1:37:26 PM
Rare 17.0%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/24/2009
1:34:52 PM
Common 57.6%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
12/24/2009
1:07:51 PM
Rare 12.6%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/24/2009
12:20:17 PM
Rare 30.0%
