Defeat 50 enemies with stealth attacks

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

Defeat 50 enemies with the M32 - Hammer

Find 40 treasures

Defeat 30 enemies with the RPG - 7

Defeat 75 enemies in a row without dying

Finish the game in Easy Mode

Find 30 treasures

Defeat three enemies with one explosion

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 50 enemies with hand-to-hand combat

Find 20 treasures