First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
12/15/2009
8:10:49 PM
Very Rare 7.1%
Fashion Sense
Choose a costume for your sackperson with at least one item on your head, at least one item on your body, and a material
12/1/2009
2:26:53 PM
Common 86.3%
Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
11/29/2009
3:25:58 PM
Ultra Rare 3.1%
Colonel Sanderson
Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.
11/29/2009
3:07:02 PM
Very Rare 6.8%
Drive By
Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.
11/29/2009
2:54:13 PM
Very Rare 8.1%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/29/2009
2:51:47 PM
Rare 45.1%