Description Set in a post-apocalyptic world strewn with cast-off machines, Primordia tells the story of Horatio Nullbuilt, an introspective robot whose solitary lifestyle is thrown into chaos when his sole power source is stolen.Travel with him and his comic sidekick, Crispin, to the dazzling city of Metropol and discover the secrets of this mysterious world -- a place where humans once tread, but are now merely the stuff of legend.