Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.

Platinum

Kill 50 enemies with the Moss - 12

Finish the game in Hard Mode

Finish the game in Easy Mode

Kill 30 enemies with the MP40

Find 55 treasures

Kill 50 enemies with the SAS - 12

Kill 50 enemies with the M4

Kill 30 enemies with the Dragon Sniper

Find 35 treasures

Kill 100 enemies with headshots

Kill 50 enemies with the AK-47