In Synch
Kill two enemies with simultaneous quick draws while in co-op mock surrender
2/7/2010
3:46:43 AM
Very Rare 5.3%
Not So Bad After All
Tie up 15 enemy combatants instead of executing them
2/6/2010
12:54:39 AM
Rare 16.6%
Old Faithful
Kill 400 enemies with assault rifles, submachine guns or shotguns
2/5/2010
9:48:06 PM
Rare 43.1%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
12/16/2009
2:50:06 AM
Rare 21.2%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/9/2009
4:39:21 AM
Rare 30.0%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
12/7/2009
8:40:07 AM
Very Rare 5.8%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/7/2009
8:40:00 AM
Common 54.5%