Kill 30 enemies with the MP40

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

Kill 20 enemies with the Desert - 5

Kill 50 enemies with the Micro - 9mm

Kill 20 enemies with a brutal combo

Kill 30 enemies with headshots

Find 10 treasures

Kill 10 enemies with headshots

Kill five enemies with a brutal combo

Complete one Competitive Multiplayer game

Defeat 20 enemies with hand-to-hand combat

Get 500 points in Skate Axis.