From the publisher: Ecumenopolis, the world city. Science fiction is full of them, from Trantor to Coruscant. But then it all stops working. What happens to a world of 40 trillion people when the food shipments stop and the lights go out? What’s inside: * setting details * common species * character archetypes * gameplay mechanics * cultures and creatures * gear & equipment Post-apocalyptic mutants, aliens, freaks, weirdos, dangers, and wonders abound.