Microsoft also announced that a demo for the Xbox 360 version of Tales of Vesperia has been released via Xbox LIVE Marketplace. Set in a world reliant on a mysterious ancient technology known as "blastia", Tales of Vesperia follows former knight Yuri as he delves into a shadowy plot to use these magical devices to control civilization, or destroy it. Tales of Vesperia is being developed by Namco Tales Studio LTD..