Apex Predator
You performed a takedown on Burke without being detected.
10/25/2011
4:07:48 PM
Ultra Rare 1.0%
Never Stop Looking
You escaped Rifleman Bank Station. Nothing will stop you from finding Megan now.
10/24/2011
8:54:43 PM
Ultra Rare 2.0%
The Learn'd Scholar
When the proofs, the figures, were ranged in columns before me...
10/24/2011
6:21:57 PM
Ultra Rare 1.5%
Out of the Frying Pan
You made it off the boat... but to what end?
10/24/2011
3:24:47 PM
Ultra Rare 2.5%
Dodge this!
Beat a heist on normal difficulty or above, having killed a Bulldozer without taking damage from any Bulldozer. To complete this challenge, you will have to have played the heist from the start.
10/22/2011
7:48:18 PM
Very Rare 8.5%
Crack-bang
Gain a level in the Sharpshooter tree with your last kill being a Sniper.
10/20/2011
9:35:34 PM
Very Rare 9.8%
I ain't afraid no more
Gain a level in the Assault tree during an assault.
10/20/2011
8:49:23 PM
Common 74.6%
Three in a Row
Collect Spirit Balls from the first three White Wolves in any level - Single Player mode only.
10/15/2011
11:10:08 PM
Rare 24.6%
Renaissance Man
Start the game once with each of the four difficulty settings.
10/15/2011
10:57:39 PM
Rare 12.1%
Dynamic Duo
Complete a Round in Co-Op Without Either Player Taking Damage
10/15/2011
7:53:17 PM
Ultra Rare 0.7%