Kill 10 enemies with grab and throw

Kill 10 enemies by throwing an object at them

Complete the single player campaign on Veteran difficulty

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

Complete 12 levels on Supersoldier difficulty

Assist the evacuation at Bryant Park

Reach the Hargreave-Rasch building

Keep all marines alive during the rescue in Semper Fi or Die

Throw an alien down the sinkhole in Dark Heart