Stairmaster
Perform one stair gap of at least 12 meters or 36 feet in career mode
7/20/2012
8:06:27 AM
Rare 13.6%
Top of the Heap
You have mastered the game and collected all there is to collect!
7/20/2012
7:49:18 AM
Rare 17.6%
One-Four-One
Complete the "Kill Switch" Special Ops mission on any difficulty.
6/14/2012
11:48:13 AM
Ultra Rare 1.1%
Shotgun Diplomacy
Complete the Special Ops mission "Negotiator" on any difficulty.
5/11/2012
9:25:37 PM
Ultra Rare 1.2%
A Baker's Dozen
Run over and kill 13 enemies with the snowmobile in the "Black Ice" Special Ops mission.
5/11/2012
9:14:56 PM
Ultra Rare 0.2%
Slippery Slope
Complete the "Black Ice" Special Ops mission on any difficulty.
5/11/2012
9:09:55 PM
Ultra Rare 2.1%
The Downward Spiral
Complete "Curious Tales from Blackwater, USA" Survivor Mission.
5/8/2012
4:09:54 PM
Rare 20.5%
