Kill 30 enemies with the Dragon Sniper

Kill 100 enemies with headshots

Kill 20 enemies with Mk-NDI grenades

Kill 30 enemies with the MP40

Kill 20 enemies with the Desert - 5

Find 35 treasures

Kill five enemies in a row with headshots

Kill 20 enemies with the Wes - 44

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

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

Kill 30 enemies with headshots

Find 15 treasures

Kill 10 enemies with headshots