Sid Meier's Civilization® III Complete: Sid Meier's Civilization® V Shipping with Steamworks - Pre-Purchase Now! - Plus Save 75% on all existing Civilization titles on Steam

2K Games and Valve today announced an agreement to power all PC versions of the highly anticipated Sid Meier's Civilization V with many of Steamworks' features and offer a special Digital Deluxe Edition via Steam. Custo…