Analysis of Sid Meier’s Civilization III: Conquests Sid Meier’s Civilization III: Conquests , released in 2003, is the second and final expansion for Civilization III . It is widely regarded by the community as the definitive version of the game, introducing substantial content that shifted the focus from broad empire-building to specialized, objective-driven scenarios. Core Gameplay Enhancements
: Two new tiers were added above Deity: Demigod and Sid . On "Sid" difficulty, the AI receives massive bonuses, such as starting with extra Settlers and having significantly lower production costs. Sid Meier's Civilization 3: Conquests
: Eight new civilizations were added, including the Sumerians, Hittites, and Mayans. Two new traits— Agricultural (bonus food in city centers) and Seafaring (faster naval movement and cheaper harbors)—became dominant in high-level competitive play. Analysis of Sid Meier’s Civilization III: Conquests Sid