Weapons Specialist
Fully Upgrade All Stats Of Any Weapon In Campaign Mode
6/5/2011
5:13:54 AM
Rare 42.2%
Grenade Hangman
Kill 10 enemies with grenades by aiming while hanging from a ledge
6/2/2011
3:32:24 AM
Very Rare 5.2%
Stalker
Collect 75% of the journal intelligence found throughout the game.
5/28/2011
6:55:08 PM
Rare 19.6%
Complete: Nurse's Office
Complete Mission on any difficulty: Nurse's Office
5/28/2011
7:53:26 AM
Rare 40.2%