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

Find 40 treasures

Finish the game in Easy Mode

Find 35 treasures

Kill 20 enemies with the Wes - 44

Kill 100 enemies with headshots

Find 25 treasures

Kill five enemies in a row with a brutal combo

Find 15 treasures

Kill 50 enemies with the AK-47

Kill five enemies with a brutal combo

Find 10 treasures

Find five treasures