Kill 50 enemies with the Moss - 12

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

Kill 30 enemies with headshots

Kill 10 enemies with headshots

Find five treasures

Defeat 70 enemies with the FAL

Defeat 50 enemies with stealth attacks

Finish the game in Easy Mode

Defeat 50 enemies with the Dragon Sniper

Complete the mission in the airplane graveyard.

Defeat 100 enemies with headshots

Defeat three enemies with one explosion

Defeat 70 enemies with the M4