Civilization IV: Beyond The Sword Trailer
Beyond the Sword (2007) is the second expansion pack for Civilization IV. It is a massive expansion, transcending Civilization IV to a level of perfection.
Among other things, BtS improves gameplay quality in the later stages by introducing the new concept of Corporations, a powerful economic tool for expanding your empire's influence. Beyond the Sword makes Civ IV complete and one of the best strategy games of all times. New features include:
-Corporations
-Improved espionage options
-Random events (Good and bad)
-10 new civilizations
-16 new leaders
-25 new units
-18 new buildings
-11 new scenarios
-6 new wonders