Stalker
Collect 75% of the journal intelligence found throughout the game.
6/24/2009
12:59:53 PM
Rare 19.6%
Complete: Nurse's Office
Complete Mission on any difficulty: Nurse's Office
6/22/2009
1:41:52 PM
Rare 40.2%
Historian
Collect 50% of the journal intelligence found throughout the game.
6/21/2009
9:55:44 AM
Rare 38.3%
Paparazzi
Collect 25% of the journal intelligence found throughout the game.
6/15/2009
6:51:11 PM
Common 56.4%
Safety First - Shoot off 100 helmets
Shoot off 100 Helghast helmets during battle
4/29/2009
8:01:01 AM
Rare 35.9%
Can Opener - Destroy a Helghast APC
Destroy any Helghast APC during battle
4/26/2009
9:47:57 AM
Rare 29.5%
Master Conductor - Electrocute 3 Helghast
Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun
4/19/2009
6:46:45 PM
Rare 21.9%