Kill 20 enemies with a brutal combo

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

Kill five enemies with a single punch, after softening them up with gunfire

Finish the game in Normal Mode

Kill 50 enemies with the M4

Kill 30 enemies with the MP40

Find 30 treasures

Kill 20 enemies with Mk-NDI grenades

Find 20 treasures

Kill five enemies in a row with headshots

Find 15 treasures

Kill 30 enemies with headshots