Civilization IV: Beyond the Sword Intro

As the second expansion for Civilization IV (2007), Beyond the Sword deepens the turn-based strategy experience, focusing heavily on post-gunpowder eras. It requires the base game and introduces ten new civilizations, sixteen leaders, and five wonders. Key mechanics include the addition of Corporations, earlier access to Espionage, new random Events, and enhanced late-game victory conditions. It also features eleven new community-designed scenarios and significantly upgraded AI behavior.