Untouchable
Complete all missions on any difficulty level without dying
10/19/2012
4:06:53 PM
Ultra Rare 1.1%
Berserker - Kill 25 Helghast with melee attacks
Kill 25 Helghast using melee attacks
10/16/2012
3:51:17 AM
Rare 25.7%
Barrel of Death - Kill 3 Helghast using your environment
Kill 3 Helghast at once using the surrounding environment
10/14/2012
5:42:23 AM
Rare 25.3%
Sebastian Vettel X Challenge
Complete the "Sebastian Vettel X Challenge" Special Event.
10/13/2012
12:23:29 AM
Ultra Rare 1.6%
Pit Boss
Run The Pit in 'S.S.D.D' and finish with a final time under 30 seconds.
10/12/2012
10:38:21 AM
Ultra Rare 2.8%
The Hammer Strikes
Complete 'Their Land, Their Blood' on Veteran difficulty. (Solo only)
10/10/2012
5:40:26 PM
Ultra Rare 4.2%
Originality
Play in a co-op team of 4 different playable characters.
10/7/2012
7:24:00 PM
Very Rare 6.3%
Check Out These Pythons
Collect both of FourArm's Upgrade Tokens in Single Player
10/7/2012
9:19:43 AM
Very Rare 8.1%
Bullet Counter - Manually reload 150 times
Manually reload your weapon 150 times
9/28/2012
1:22:31 AM
Rare 33.1%