Necromunda: Rulebook compiles the original Necromunda: Underhive Rule Book with content from the Necromunda: Gang War books, plus a range of Necromunda FAQs and Errata, to create a definitive guide to games of gang warfare. Once combined with a copy of your chosen gang's supplement book (available separately), you’ll have all the rules you need to build your gang and claim victory in the violent struggles of Necromunda.