. . . . . "Empire Earth: The Art of Conquest"@en . "Art of Conquest added several new features to the original Empire Earth, including new units, new civilizations (Japan and Korea), civilization powers, and new hero units. Art of Conquest also features three new campaigns: Ancient Rome, World War II, and 24th Century Mars."@en . . . "Art of Conquest added several new features to the original Empire Earth, including new units, new civilizations (Japan and Korea), civilization powers, and new hero units. Art of Conquest also features three new campaigns: Ancient Rome, World War II, and 24th Century Mars."@en . . . . .