Untouchable
Complete all missions on any difficulty level without dying
3/18/2009
6:11:02 PM
Ultra Rare 1.1%
Barrel of Death - Kill 3 Helghast using your environment
Kill 3 Helghast at once using the surrounding environment
3/14/2009
2:06:53 PM
Rare 25.3%
Blade Runner - 75 kills with the knife
Kill 75 Helghast using the knife
3/5/2009
5:30:30 PM
Ultra Rare 4.3%
Treadhead - Kill 30 Helghast whilst in the tank
Take 30 Helghast lives whilst using the ISA tank
3/4/2009
4:48:23 PM
Very Rare 7.8%
Demonslayer - Kill Radec within 20 minutes
Kill Radec at Visari Palace within 20 minutes
3/3/2009
5:12:35 PM
Rare 19.6%
Can Opener - Destroy a Helghast APC
Destroy any Helghast APC during battle
3/2/2009
4:55:14 PM
Rare 29.5%