Age of Empires: The Age of Kings is a turn-based strategy video game developed for the Nintendo DS, released in 2006. Based on the popular PC strategy series, Age of Empires, this title adapts the empire-building and historical warfare to a handheld format. In the game, players choose from one of five historical civilizations, each with unique units and technologies. Players must manage resources, construct buildings, and lead their armies to victory across a variety of campaigns and battle scenarios.