Find 60 treasures

Defeat five enemies in a row with headshots

Defeat 30 enemies with the RPG - 7

Defeat 70 enemies with the SAS - 12

Defeat 50 enemies with the M32 - Hammer

Defeat 30 enemies with the Desert - 5

Complete one Cooperative Multiplayer game

Finish the game in Easy Mode

Defeat 100 enemies with headshots

Defeat 20 enemies with the Pistole

Defeat 70 enemies with the FAL

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