Sid Meier's Civilization IV: Beyond the Sword is the acclaimed second expansion pack for the award-winning Civilization IV, focusing on the era following the discovery of gunpowder. This expansion enriches the gameplay with 11 unique scenarios crafted by Firaxis and members of the community, bringing new challenges to seasoned players.

Beyond the Sword introduces 10 new civilizations including the Portugal and Babylonians, each with unique units and buildings. Players can also engage with 16 new leaders, such as Hammurabi and Abraham Lincoln, further diversifying strategic options. The game enhances the epic experience by adding numerous new units, buildings, and technologies, particularly benefiting the late-game phase.

New game features include corporations, allowing players to found companies for benefits, and an earlier introduction to espionage for spying and unrest. Five additional wonders, including the Statue of Zeus and Cristo Redentor, await discovery. The advanced AI improves gameplay dynamics by relying on intelligent strategies rather than bonuses, providing a challenging and engaging experience for all players.