Kill 20 enemies melee-attacking from behind

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

Kill three enemies with one explosion five times

Kill 50 enemies with the Moss - 12

Kill 30 enemies with the MP40

Find 45 treasures

Find 40 treasures

Find 30 treasures

Kill 20 enemies with a brutal combo

Kill 100 enemies with headshots

Kill 50 enemies with the AK-47

Find the Strange Relic

Find 10 treasures