Throw back a grenade and defeat two enemies at once

Defeat 30 enemies with the KAL 7

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Defeat five enemies in a row with headshots

Make five enemies drop their grenade by shooting them

Defeat 20 enemies with hand-to-hand combat

Finish the single player campaign on any difficulty

Single Player: Kill 20 enemies with the Microwave cannon

Complete the evacuation at Times Square

Assist the evacuation at Bryant Park

Assist the Marines in Madison Square

Infiltrate the CELL facility at Wall Street