Defeat 20 enemies with headshots

Defeat 20 enemies with hand-to-hand combat

Finish the game in Hard Mode

Finish the game in Easy Mode

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

Kill 50 enemies with the 92FS - 9mm

Kill 20 enemies with the Desert - 5

Find 30 treasures

Kill 20 enemies with the Wes - 44

Kill 50 enemies with the Micro - 9mm

Kill 100 enemies with headshots

Find 15 treasures