Adapt and Overcome
Blow up 10 explosive objects, killing at least one enemy each time. (campaign only)
7/26/2012
8:11:09 AM
Rare 16.9%
Good Training
Sprint into cover 10 times while under fire. (campaign only)
7/25/2012
6:29:25 AM
Rare 32.6%
Sierra Hotel
Complete three chapters in a row without being killed or reloading a checkpoint.
7/25/2012
6:18:52 AM
Rare 13.7%
All You Can Be
Complete any chapter with 60%+ accuracy without dying or reloading a checkpoint.
7/25/2012
6:02:44 AM
Ultra Rare 4.3%
Marksman - Heavy Arms
Kill 150 enemies with any heavy weapon. (campaign only)
7/24/2012
6:41:59 AM
Rare 18.7%
Battle Management
Kill 50 enemies using only the Attack Command. (campaign only)
7/24/2012
6:41:45 AM
Rare 21.6%
Airspace Control
Kill 10 enemies while they use zip lines or are rappelling. (campaign only)
7/24/2012
6:19:58 AM
Very Rare 9.5%
Marksman - Small Arms
Kill 100 enemies with any pistol or SMG. (campaign only)
7/24/2012
6:13:34 AM
Rare 31.7%
Marksman - Sniper
Kill 50 enemies with any sniper rifle. (campaign only)
7/24/2012
6:03:59 AM
Rare 22.5%