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 on the PlayStation 3 computer entertainment system and Windows PC via Steam. Developed by Obsidian Entertainment, the Dungeon Siege III demo is also available on the Xbox 360 video game and entertainment system from Microsoft...