Complete Ground Combat Training.

Finish the game in Normal Mode

Find all 60 treasures

Kill 30 enemies with the MP40

Find 55 treasures

Find 50 treasures

Find 40 treasures

Kill 50 enemies with the Moss - 12

Kill 20 enemies with Mk-NDI grenades

Kill 10 enemies with grenades by aiming while hanging from a ledge

Kill 50 enemies with the AK-47

Kill 100 enemies with headshots