Pump
Use the pump controls to pump up and release completely an effect.
10/17/2009
6:29:53 AM
Common 81.8%
Run-and-Gunner
Defeat 20 enemies by shooting from the hip (without aiming with L1)
10/17/2009
3:01:27 AM
Rare 21.3%
Grenade Hangman
Defeat ten enemies with grenades by aiming while hanging
10/16/2009
11:00:18 AM
Very Rare 9.1%
Bare-knuckle Expert
Defeat ten enemies in a row with hand-to-hand combat
10/16/2009
10:02:51 AM
Rare 22.5%
Steel Fist Master
Defeat 20 enemies with a single punch, after softening them up with gunfire
10/16/2009
8:11:00 AM
Rare 23.2%