Urban Chaos: Riot Response is a first-person shooter video game developed by British games developer Rocksteady Studios and published by Eidos Interactive for the PlayStation 2 and Xbox. The game was released in spring 2006 and is currently Rocksteady's only non-Batman game.In the game, the main character is Nick Mason, a member of the newly formed "T-Zero" riot response squad, in an unnamed modern American city that's been overtaken by the notorious Burners gang.