Kill 100 enemies with headshots

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

Finish the game in Normal Mode

Find all 60 treasures

Kill 30 enemies with the Dragon Sniper

Find a Firefly pendant

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

Kill 50 enemies with the 92FS - 9mm

Find 45 treasures

Find 35 treasures

Kill 20 enemies with Mk-NDI grenades

Kill 30 enemies with headshots

Kill 50 enemies with the AK-47