Ultimate Knockout
From the gassed state, KO an opponent in any mode.
6/24/2011
11:41:39 PM
Common 76.3%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
6/23/2011
10:55:11 PM
Rare 39.8%
Weapons Specialist
Fully Upgrade All Stats Of Any Weapon In Campaign Mode
6/23/2011
1:11:06 PM
Rare 42.2%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
6/22/2011
12:16:02 PM
Rare 21.2%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
6/21/2011
6:34:14 PM
Rare 17.0%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
6/21/2011
1:16:58 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.
6/21/2011
12:59:27 AM
Common 54.5%
