Sierra Hotel
Complete three chapters in a row without being killed or reloading a checkpoint.
8/10/2013
11:23:15 PM
Rare 13.7%
Airspace Control
Kill 10 enemies while they use zip lines or are rappelling. (campaign only)
8/10/2013
10:47:36 PM
Very Rare 9.5%
All You Can Be
Complete any chapter with 60%+ accuracy without dying or reloading a checkpoint.
8/10/2013
9:18:21 PM
Ultra Rare 4.3%
Marksman - Small Arms
Kill 100 enemies with any pistol or SMG. (campaign only)
8/10/2013
6:18:49 PM
Rare 31.7%
Marksman - Sniper
Kill 50 enemies with any sniper rifle. (campaign only)
8/10/2013
5:30:29 PM
Rare 22.5%
