Find 20 treasures

Find the Strange Relic

Kill 20 enemies melee-attacking from behind

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

Kill five enemies in a row with a brutal combo

Kill 50 enemies with the Moss - 12

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

Kill 100 enemies with headshots

Kill 10 enemies by aiming while hanging from a ledge

Kill 50 enemies with the AK-47

Kill 50 enemies with the PM - 9mm

Find five treasures

Kill 10 enemies with headshots