Joanna Dark returns in the Xbox 360 exclusive Perfect Dark Zero, the prequel to the internationally award winning and multi-million-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 future of the planet. A routine bounty hunting mission rips open a global conspiracy that will change Joanna's destiny - forever.