Stairway to Heaven
From the front door of the church, make it to the crow’s nest in 240 seconds in Chapter 5: Heartland
8/21/2012
11:10:09 AM
Rare 38.3%
Let 'em Burn
Don't kill any of the enemies that are on fire in Chapter 3: Fire Sale
8/20/2012
10:31:58 PM
Rare 39.5%
Welcome to Freedom
Talk at least once to each inhabitant of Oasis in Chapter 2: Freedom
8/20/2012
9:42:09 PM
Very Rare 9.3%
Good Training
Sprint into cover 10 times while under fire. (campaign only)
8/17/2012
8:24:33 PM
Rare 32.6%
Marksman - Small Arms
Kill 100 enemies with any pistol or SMG. (campaign only)
8/17/2012
8:18:02 PM
Rare 31.7%
Close Combat Carnage
Kill 4 enemies with a shotgun in 10 seconds or less. (campaign only)
8/16/2012
9:59:57 PM
Rare 24.4%
Adapt and Overcome
Blow up 10 explosive objects, killing at least one enemy each time. (campaign only)
8/16/2012
9:43:47 PM
Rare 16.9%
Marksman - Heavy Arms
Kill 150 enemies with any heavy weapon. (campaign only)
8/16/2012
9:41:33 PM
Rare 18.7%
Marksman - Sniper
Kill 50 enemies with any sniper rifle. (campaign only)
8/16/2012
9:24:03 PM
Rare 22.5%