Kill 20 enemies with Mk-NDI grenades

Kill 10 enemies by aiming while hanging from a ledge

Find 25 treasures

Kill 100 enemies with headshots

Find 20 treasures

Kill 30 enemies with the M79

Kill three enemies with one explosion

Kill 50 enemies with the PM - 9mm

Find 10 treasures

Find five treasures

Kill 10 enemies with headshots

Kill five enemies with a brutal combo

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