GAME OVERVIEW. Join the Chase! In LEGO City Undercover players become Chase McCain, a police officer who goes undercover to hunt down the notorious - and recently escaped- criminal, Rex Fury, to put an end to his city-wide crime wave.. The open-world LEGO adventure allows fansand newcomers to explore the sprawling metropolis that is LEGO CITY with moew than 20 unique districts to investigate, filled with car thieves to bust, vechicles to navigate , mischievous aliens to capture, hilarious movie references todiscover, lost pigs to recue and of course, hundreds of collectibles. With 15 special assignments to conquer, LEGO CITY Undercover bring together witty, original storytelling with signmature LEGO humortocreate a fun-filled experience for players of all ages.