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

Kill 100 enemies with headshots

Find 15 treasures

Defeat 20 enemies with headshots

Defeat 20 enemies with hand-to-hand combat

Kill five enemies in a row with a brutal combo

Find 10 treasures

Kill 30 enemies with headshots

Collect 75% of the prize bubbles on the story levels

Kill five enemies with a brutal combo

Find five treasures

Find one treasure

You unlocked the special ability of Roman's taxi.