Finish the game in Hard Mode

Finish the game in Easy Mode

Kill 50 enemies with the M4

Kill 30 enemies with the MP40

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

Kill 20 enemies with the Desert - 5

Kill 50 enemies with the Moss - 12

Find 20 treasures

Kill 20 enemies with Mk-NDI grenades

Kill 100 enemies with headshots

Find the Strange Relic

Kill 50 enemies with the AK-47

Find 10 treasures