Defeat 20 enemies with a single punch, after softening them up with gunfire

Defeat five enemies in a row with headshots

Defeat 250 enemies with headshots

Defeat 20 enemies with the Pistole

Defeat 50 enemies with stealth attacks

Defeat 30 enemies with Mk-NDI grenades

Defeat 50 enemies with the Micro - 9mm

Defeat 70 enemies with the M4

Defeat 100 enemies with headshots

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with headshots