Complete 6 levels on Veteran difficulty

Single Player: Kill two enemies with a single bullet

Finish the single player campaign on any difficulty

Reach Central Park

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

Single Player: Kill 4 enemies in a row with headshots

Single Player: Kill at least 3 enemies with a single grenade

Complete In at the Deep End

Complete the game while consuming 10 Civilians or fewer.