Kill 20 enemies with Mk-NDI grenades

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

Find 25 treasures

Find 15 treasures

Kill 30 enemies with headshots

Kill 10 enemies with headshots

Kill five enemies with a brutal combo

Defeat 30 enemies with the M9

Defeat 30 enemies with the G-MAL

Make five enemies drop their grenade by shooting them

Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)

Defeat 50 enemies with hand-to-hand combat

Score 20 winners on a drop shot.