Defeat 30 enemies with the G-MAL

Defeat 30 enemies with the M9

Throw back a grenade and defeat two enemies at once

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

Make five enemies drop their grenade by shooting them

Defeat 50 enemies with hand-to-hand combat

Defeat five enemies in a row with headshots

Find one treasure

Received all 4 weapon efficiency ribbons

Completed the mission without using the fire extinguisher in Fire From The Sky

You killed a Rockstar in multiplayer.

MVP in a ranked match