Empire Earth 3 - PC Battle across the entire globe or create a randomly generated globe to conquer Choose both the starting location and starting era Civilizations are divided into the three factions each with its own tech tree, units, structures and game play style Each Civilization's tech tree allows players to create completely custom civilizations of their own choosing As your empire spreads cities and outposts will grow and improve. Units and structures evolve over time. Battle across the entire globe or create a randomly generated globe to conquer Choose both the starting location and starting era Civilizations are divided into the three factions each with its own tech tree, units, structures and game play style Each Civilization's tech tree allows players to create completely custom civilizations of their own choosing As your empire spreads cities and outposts will grow and improve. Units and structures evolve over time.