Combat Leapfrog
Defeat ten enemies in a row, alternating hand-to-hand combat and gunplay
12/1/2011
11:15:47 AM
Ultra Rare 4.2%
Run-and-Gunner
Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)
12/1/2011
3:33:30 AM
Rare 19.2%
Grenade Hangman
Defeat ten enemies with grenades by aiming while hanging
11/30/2011
10:45:33 PM
Ultra Rare 2.1%