Kill 20 enemies with the Desert - 5

Kill 50 enemies with the M4

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

Kill 20 enemies with the Wes - 44

Find 40 treasures

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

Find 35 treasures

Finish the game in Easy Mode

Kill 50 enemies in a row without dying

Kill 50 enemies with the 92FS - 9mm

Find 15 treasures

Find 10 treasures

Kill five enemies in a row with headshots