Aspyr Media today announced that Sid Meier’s Civilization IV: Warlords has begun shipping in North America for Macintosh. The game is licensed from 2K and was developed for Mac by Aspyr Studios. Sid Meier’s Civilization IV: Warlords is the first expansion pack for Firaxis Games’ award-winning title. “Paying homage to some of history’s greatest military leaders, this expansion delivers eight unique and interesting scenarios, giving players the chance to change the course of history with the help of their new powerful ‘warlord’ unit. Sid Meier’s Civilization IV: Warlords includes new civilizations, leaders, units, and wonders that offer even more fun and exciting ways for players to expand their civilization’s military power as they strive for world domination.” Sid Meier’s Civilization IV: Warlords is priced at US$29.99.