LOS ANGELES - Square Enix, Inc., the publisher of SQUARE ENIX interactive entertainment products in the Americas, today announced the availability of the demo for the company's highly anticipated action role-playing game, Dungeon Siege III. Developed by Obsidian Entertainment, the Dungeon Siege III demo is now available for the Xbox 360 video game and entertainment system from Microsoft and will be available on the PlayStation 3 computer entertainment system and Windows PC via Steam on June 7...