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

Kill three enemies with one explosion

Finish the game in Easy Mode

Find all 60 treasures

Kill 20 enemies with Mk-NDI grenades

Kill 30 enemies with the MP40

Find 50 treasures

Kill 20 enemies with the Desert - 5

Kill 50 enemies in a row without dying

Find 30 treasures

Kill 20 enemies with the Wes - 44

Kill 100 enemies with headshots

Kill 50 enemies with the Moss - 12