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

Find 40 treasures

Finish the game in Normal Mode

Kill 50 enemies with the M4

Kill 30 enemies with the MP40

Find 25 treasures

Find 20 treasures

Kill 50 enemies with the Micro - 9mm

Find 10 treasures

Kill 100 enemies with headshots

Kill 10 enemies by aiming while hanging from a ledge

Kill 30 enemies with headshots

Kill 50 enemies in a row without dying