Airspace Control
Kill 10 enemies while they use zip lines or are rappelling. (campaign only)
9/9/2013
8:02:16 PM
Very Rare 9.5%
Marksman - Heavy Arms
Kill 150 enemies with any heavy weapon. (campaign only)
9/9/2013
6:21:47 PM
Rare 18.7%
Adapt and Overcome
Blow up 10 explosive objects, killing at least one enemy each time. (campaign only)
9/9/2013
3:40:23 PM
Rare 16.9%
Situational Awareness
Stun an enemy by dumping sand on their head. (campaign only)
9/8/2013
7:49:08 PM
Rare 30.2%
Marksman - Small Arms
Kill 100 enemies with any pistol or SMG. (campaign only)
9/8/2013
7:30:09 PM
Rare 31.7%
Preventive Diplomacy
Kill an enemy just as they are throwing a grenade. (campaign only)
9/8/2013
6:34:41 PM
Rare 47.3%
The Human Factor
Kill an enemy by tagging him with a sticky grenade. (campaign only)
9/8/2013
6:24:54 PM
Rare 37.4%