Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
2/22/2010
9:56:00 AM
Rare 15.2%
Colonel Sanderson
Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.
2/22/2010
9:20:55 AM
Very Rare 6.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
2/22/2010
8:05:04 AM
Rare 45.1%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
2/21/2010
9:14:38 AM
Very Rare 5.6%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
2/20/2010
10:27:15 PM
Rare 30.0%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
2/20/2010
10:27:02 PM
Rare 17.0%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
2/20/2010
10:01:12 PM
Rare 12.6%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
2/17/2010
8:13:13 AM
Rare 39.8%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
2/17/2010
8:11:03 AM
Very Rare 9.7%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
2/17/2010
7:43:20 AM
Rare 34.5%