Two-hundred years in the future, humanity is ruled by eight great and tyrannical Superpowers. For a century, a peace treaty has protected Earth and its citizens, but mankind has not abandoned war -- they just moved it into space. On a thousand worlds, the colonies of the Superpowers fight an endless battle for dominance. Join Erik Cain and the Alliance Marines as they fight with nuclear-powered armor and cutting-edge weapons. In the battle for survival, whose side will you fight on?