Crackdown

Crackdown is a futuristic, online take on the wide-open Grand Theft Auto genre. You play as a super-human agent assigned to take out the filth that has starting filling up all corners of your city. The city's thousands of gangsters have grouped together into three criminal organizations: Cai-Shen Corp, an Asian gang that uses hitmen to extract revenge, The Volk, a Russian gang that specializes in guns, and La Muerta, a Spanish group that loves cars. Your overall goal as an agent is to defeat the bosses of these organizations, bringing peace to the city. You are a one-man super army, but if the going gets too tough, a friend can jump in and play along with you in co-op mode to bring an unstoppable crime fighting force to Pacific City.