Assimilate alien tissue at the crash site
Assist the evacuation at Bryant Park
Assist the Marines in Madison Square
Complete In at the Deep End
Finish the single player campaign on any difficulty
Complete the single player campaign on Post-Human Warrior
Complete the single player campaign on Veteran difficulty
Complete the evacuation at Times Square
Complete 12 levels on Post-Human Warrior difficulty
Complete 6 levels on Post-Human Warrior difficulty
Complete 12 levels on Veteran difficulty
Complete 6 levels on Veteran difficulty
Defend Central Station
Escape the Battery Park evacuation center
Find Nathan Gould
Kill 4 enemies in a row with headshots
Infiltrate the alien hive
Infiltrate the CELL facility at Wall Street
Kill 10 enemies with grab and throw
Kill 20 enemies with the Microwave cannon
Kill 5 enemies while sliding
Stealth kill 25 enemies
Kill 10 enemies by throwing an object at them
Locate Jacob Hargreave
Kill at least 3 enemies with a single grenade
Reach Central Park
Reach the Hargreave-Rasch building
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