Save The Intruders - Arc APCs destroyed
Successfully assisted with defeating the Arc APCs
3/12/2011
6:13:55 PM
Common 63.1%
Smoking Wrecks - Destroy all Tanks on Senlin Beach
Destroyed all the Helghast Tanks in the Senlin Beach section
3/12/2011
5:15:39 PM
Common 65.4%
Time For A Dip - Reach the river
Reached the Corinth River with the convoy
3/12/2011
5:07:17 PM
Common 66.9%
Ready For Battle - Complete weapons training
Completed weapons training in Prologue
3/12/2011
11:45:30 AM
Common 85.4%
...And Stay Down
Kill 25 crawling enemies with Stomp (single player only)
2/26/2011
1:47:51 PM
Rare 17.8%
Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
2/26/2011
9:36:57 AM
Rare 27.4%
