Sid Meiers 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 historys 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 civilizations military power as they strive for world domination. Sid Meiers 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 historys 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 civilizations military power as they strive for world domination. * Warlords - A new great person type called the Warlord will be an indispensable asset to any player bent on world domination. * Vassal States - You no longer need to obliterate an enemy to defeat them. * Conquer your enemies and subjugate them to your rule.