Colonel Sanderson
Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.
12/26/2009
12:59:31 PM
Very Rare 6.8%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/26/2009
11:58:30 AM
Rare 30.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
12/26/2009
9:28:14 AM
Rare 45.1%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
12/25/2009
8:56:26 AM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/25/2009
1:56:33 AM
Common 57.6%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
12/25/2009
1:27:57 AM
Rare 25.3%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/25/2009
1:05:18 AM
Common 54.5%
Close Encounters
Survival - Survive 45 seconds without shooting or using bombs
12/2/2009
10:19:19 AM
Ultra Rare 4.9%
It'll Cost Ya
You made a taxi trip from one island to another without skipping.
11/23/2009
6:23:29 AM
Rare 11.5%
Avengers Assemble!
Beat the game with Avengers theme team without continuing or challenges. (Arcade Mode)
11/12/2009
5:25:04 AM
Very Rare 5.3%