Find one treasure

Kill 50 enemies with the M4

Kill 30 enemies with the Dragon Sniper

Kill 50 enemies in a row without dying

Kill 50 enemies with the 92FS - 9mm

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

Find 50 treasures

Kill 20 enemies with the Desert - 5

Kill 10 enemies by aiming while hanging from a ledge

Find 30 treasures

Kill 50 enemies with the Moss - 12

Kill three enemies with one explosion

Kill 20 enemies with a brutal combo