Defeat five enemies in a row with headshots

Finish the game in Crushing Mode

Defeat 30 enemies with the RPG - 7

Defeat 50 enemies with the M32 - Hammer

Defeat ten enemies with grenades by aiming while hanging

Finish the game in Easy Mode

Finish the game in Hard Mode

Defeat 250 enemies with headshots

Defeat 50 enemies with stealth attacks

Defeat 20 enemies with the Pistole

Find 30 treasures

Defeat 20 enemies with gunfire by aiming while hanging