Sid Meier's Civilization IV: Warlords is the first expansion pack for the award-winning game that has become an instant world-wide hit. Paying homage to some of history’s greatest military leaders, the expansion will deliver six unique and interesting scenarios, giving players the chance to change the course of history with the help of their new powerful "warlord" unit. Civ IV: Warlords will include new civilizations, leaders, units, and wonders that will offer even more fun and exciting ways for players to expand their civilization’s military power as they strive for world domination.