Indirect Attack
Attacked enemy soldiers by blowing up an oil drum or truck (single player only).
3/6/2013
4:59:49 PM
Rare 32.4%
I feel... safe
Wearing a cardboard box gives you that feeling of inner peace.
3/1/2013
4:45:38 PM
Common 55.4%
Stun Specialist
Reached at least 100 stun attacks or sleep-inducing attacks.
2/28/2013
11:48:24 PM
Rare 40.4%
Complete Stealth
Clear the game without entering alert mode (not including events where alert mode is mandatory)
2/24/2013
1:15:36 AM
Ultra Rare 4.0%
Vamp Eyer
Catch a glimpse of Vamp standing in the streets of New York during the end cinematic
2/24/2013
1:05:33 AM
Very Rare 9.3%