Precision Killer
Multi-kill -- 2 enemies with 1 Stalker-Pattern bolter shot.
10/1/2011
5:20:12 AM
Rare 49.6%
First Takedown
Perform your first Takedown. Civilians don't count, so be nice.
8/26/2011
10:53:51 PM
Common 78.3%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
7/21/2011
10:31:59 PM
Rare 45.1%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
7/21/2011
10:24:42 PM
Rare 21.2%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
7/21/2011
9:18:43 PM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
7/21/2011
9:15:26 PM
Common 54.5%