Defeat 30 enemies with the Desert - 5

Find 70 treasures

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

Defeat 20 enemies with the Pistole

Find 50 treasures

Defeat 70 enemies with the FAL

Find 40 treasures

Complete one Cooperative Multiplayer game

Defeat 50 enemies with the 92FS - 9mm

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

Defeat five enemies in a row with headshots

Defeat 20 enemies with headshots

Defeat 75 enemies in a row without dying