Kill 30 enemies with the M79

Find 30 treasures

Kill three enemies with one explosion

Kill 50 enemies with the Moss - 12

Kill 10 enemies by aiming while hanging from a ledge

Find 20 treasures

Kill 20 enemies melee-attacking from behind

Kill 50 enemies with the AK-47

Kill 20 enemies with a brutal combo

Kill 50 enemies with the PM - 9mm

Kill 10 enemies with headshots

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

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