With the collapse of the government, the human population is swept into anarchy and terror. The alien host then proceeds to systematically hunt down and destroy billions, wiping the human male population from the Earth and enslaving the few women who remain for their hybridization program.
Continents shift, the polar caps melt, and cities are reduced to rubble.
Even so, life endures and adapts. Mother nature, hopped up on alien energies left behind by the war, reclaims the ruins of man's former empire. The Earth is overrun with mutant creatures of astounding variety and terrible ferocity. The DOS rapidly becomes a pleasure palace filled with slave women and 'adult' entertainment. The station also becomes the central trading hub for one of the most hotly traded commodities in the universe, the human babe.