Defeat 20 enemies with headshots

Defeat 20 enemies with hand-to-hand combat

Defeat ten enemies in a row with hand-to-hand combat

Finish the game in Easy Mode

Kill 50 enemies in a row without dying

Find 25 treasures

Find 20 treasures

Kill 100 enemies with headshots

Kill five enemies with a brutal combo

Kill 50 enemies with the PM - 9mm

Find five treasures

Kill 10 enemies with headshots