Riot Rocker
Defeat five Riot Shield enemies by running over their shield
11/9/2011
5:12:45 PM
Rare 13.5%
Grenade Hangman
Defeat ten enemies with grenades by aiming while hanging
11/9/2011
4:40:58 PM
Ultra Rare 2.1%
Truck Brawler
Defeat ten enemies using hand-to-hand combat on the back of the convoy trucks
11/9/2011
12:09:07 PM
Very Rare 8.6%
Pro-pain
Defeat ten enemies with propane or acetylene tank explosions
11/9/2011
11:18:53 AM
Very Rare 7.6%
Quick Study
Inspect almost every display case in the Cartagena Museum
11/9/2011
6:23:59 AM
Very Rare 6.9%
Combat Leapfrog
Defeat ten enemies in a row, alternating hand-to-hand combat and gunplay
11/9/2011
5:48:23 AM
Ultra Rare 4.2%
Blindfire Marksman
Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)
11/9/2011
3:07:48 AM
Rare 24.6%
Run-and-Gunner
Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)
11/9/2011
3:06:55 AM
Rare 19.2%