Kill 50 enemies in a row without dying

Find 30 treasures

Kill five enemies in a row with a single punch, after softening them up with gunfire

Finish the game in Normal Mode

Find 20 treasures

Kill five enemies with a single punch, after softening them up with gunfire

Kill 20 enemies with Mk-NDI grenades

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

Kill 20 enemies with a brutal combo

Kill 50 enemies with the AK-47

Kill 100 enemies with headshots

Kill 30 enemies with headshots

Kill five enemies in a row with headshots