


Often, these powers are only available during certain epochs. Each civilization has its own power, or " Civ Power". Nano age Farms are run by robots, and by the Space Age farms no longer need citizens to manage them. Robots replace Citizens in the Nano Age and infantry in the Space Age (these robots are known as Watchmen). The new Space Age (Epoch XV) allows the building of spaceports and spaceships on maps that allow it. Online multiplayer capabilities has been added, allowing players to play online with up to seven other players either over the Internet via a lobby system, or over a local area network (LAN). Variable difficulty has been added to those scenarios which had not received it in a patch of the original Empire Earth. The gameplay in Art of Conquest is the same as in the original Empire Earth, albeit with some changes.
