Civilization III: Conquests

Civilization III: Conquests is the second and final expansion for... Civilization III. It was published in 2003. This expansion added eight new civilizations to the game, and including the eight civilizations from Play the World this brings the total number of playable civilizations up to thirty-one (the maximum supported by the game). The new civilizations are the Byzantines, the Dutch, the Hittites, the Incans, the Mayans, the Portuguese and the Sumerians. (wikipedia.org)