Complete In at the Deep End

Escape the Battery Park evacuation center

Assimilate alien tissue at the crash site

Find Nathan Gould

Infiltrate the CELL facility at Wall Street

Infiltrate the alien hive

Assist the Marines in Madison Square

Reach the Hargreave-Rasch building

Assist the evacuation at Bryant Park

Defend Central Station

Complete the evacuation at Times Square

Locate Jacob Hargreave

Reach Central Park

Finish the single player campaign on any difficulty

Complete 6 levels on Veteran difficulty

Complete 12 levels on Veteran difficulty

Complete 6 levels on Post-Human Warrior difficulty

Complete 12 levels on Post-Human Warrior difficulty

Complete the single player campaign on Veteran difficulty

Complete the single player campaign on Post-Human Warrior

Stealth kill 25 enemies

Kill 10 enemies by throwing an object at them

Kill 10 enemies with grab and throw

Kill 20 enemies with the Microwave cannon

Kill at least 3 enemies with a single grenade

Kill 4 enemies in a row with headshots

Kill 5 enemies while sliding