Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
5/24/2010
9:02:51 AM
Rare 39.3%
Safety First - Shoot off 100 helmets
Shoot off 100 Helghast helmets during battle
5/24/2010
8:56:33 AM
Rare 35.9%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
5/16/2010
3:58:59 PM
Rare 45.1%
Out Runned
Finish a race with more time than you started with in Arcade Mode, without using any continues.
5/11/2010
3:18:02 PM
Very Rare 7.1%
Owned
Use your own Career Mode motorbike and rider in a multiplayer race.
5/11/2010
1:13:32 PM
Very Rare 5.3%
Halcyon
Win a race with no penalties - all clean sections, no crashes, no collisions.
4/30/2010
2:03:20 PM
Rare 16.3%
Dude, Where's My Bike?
Come to a standstill over 100 yards away from your bike after a crash.
4/26/2010
2:19:23 PM
Rare 31.0%
Top of the Class
Obtain an 'A' class rating in all three sessions of a race weekend in career mode.
4/24/2010
5:17:23 PM
Rare 18.7%