Joanna Dark returns in the Xbox 360-exclusive "Perfect Dark Zero," the prequel to the international award-winning and multimillion-selling first-person shooter "Perfect Dark" from famed game developer Rare Ltd. A secret war has begun between shadowy corporations bent on world domination. Joanna Dark and her father, Jack, are caught up in the fight for the planet's future. A routine bounty hunting mission rips open a global conspiracy that will change Joanna's destiny - forever. Players must guide Joanna Dark on her journey to become the Perfect Agent. Featuring a compelling and captivating story, "Perfect Dark Zero" plunges players into a world of corporate espionage and conspiracy. "Perfect Dark Zero" merges the excitement and intrigue of its predecessor with revolutionary game design, online play and amazing graphics to deliver an experience that defines next-generation gaming and entertainment.