Defeat 30 enemies with the Desert - 5

Defeat ten enemies in a row with hand-to-hand combat

Defeat 70 enemies with the M4

Defeat 100 enemies with headshots

Defeat 20 enemies with the Pistole

Complete one Cooperative Multiplayer game

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 30 enemies with the Wes - 44

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

Defeat three enemies with one explosion

Defeat 20 enemies with hand-to-hand combat

Slap 20 objects out of enemy's hands in online games