Finish the single player campaign on any difficulty

Reach Central Park

Kill 20 enemies with the Microwave cannon

Re-route the power in Eye of the Storm without being detected

Defend Central Station

Scan all of Richard Morgan's books in the NY public library

Assist the Marines in Madison Square

Infiltrate the alien hive

Kill 10 enemies by throwing an object at them

Find Nathan Gould

Kill 4 enemies in a row with headshots

Kill 5 enemies while sliding

Kill a CELL operator with a giant donut in Lower Manhattan