Kill 10 enemies with grenades by aiming while hanging from a ledge

Kill 20 enemies with the Wes - 44

Find 45 treasures

Kill 20 enemies with Mk-NDI grenades

Kill 20 enemies melee-attacking from behind

Kill 10 enemies by aiming while hanging from a ledge

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

Finish the game in Normal Mode

Find 40 treasures

Kill 30 enemies with the Dragon Sniper

Kill 50 enemies with the 92FS - 9mm

Find 35 treasures

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