Crackdown

Crackdown is a 2007 action-adventure game developed by Realtime Worlds and published by Microsoft Game Studios for the Xbox 360. Crackdown was conceived by Realtime Worlds' founder, David Jones, who also created Grand Theft Auto and Lemmings. Set in the fictional Pacific City, the player controls a biologically enhanced Agent, tasked with defeating three crime lords and their organized crime syndicates. The Agent's abilities improve by defeating both crime lords and their top subordinates, as well as by completing optional activities, such as street races and scavenger hunts.