Only one side can win.
More than 50 exciting missions, an unprecedented AI, more than 100 ground units, mechs, flying units and ships, strategic orders like formations, escorts and others make Earth 2140 a high class product. The damage caused by the long wars led both world powers to evacuate the population to recently built underground cities. Highly toxic biological and chemical weapons were developed on these continents, leaving them so badly contaminated, that no human life can survive there.