NOW FEATURING HIGH SCORES USING CLOUD DATA! With the second massive torrent of UnderSpace invaders staunched in the very orbit of Earth, the many portals mankind had opened were forced shut. The war seemed over. The UnderSpace portal in the Sirius system, however, could not be closed, so yet again a great fleet of ships entered our realm and captured the Sirius system. Only one ship is left after this massive invasion, and it must fight against all odds to overthrow this new power...once and for all.
