Kill 30 enemies with the Dragon Sniper

Kill 50 enemies with the SAS - 12

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

Find 45 treasures

Find 35 treasures

Kill 20 enemies with the Wes - 44

Kill 100 enemies with headshots

Find 25 treasures

Kill 20 enemies with Mk-NDI grenades

Find 15 treasures

Kill 10 enemies by aiming while hanging from a ledge

Kill five enemies in a row with headshots