Kill three enemies with one explosion

Kill 10 enemies by aiming while hanging from a ledge

Find all 60 treasures

Kill 30 enemies with the Dragon Sniper

Kill 30 enemies with the MP40

Kill 50 enemies with the 92FS - 9mm

Find 45 treasures

Kill 20 enemies with the Desert - 5

Find 30 treasures

Kill 50 enemies with the Moss - 12

Kill 20 enemies by shooting from the hip (without aiming with the L1 button)

Kill five enemies in a row with a brutal combo

Earn Bronze on all challenges