Necromunda is the game of fierce combat between rival gang fighters in the dangerous underworld of the Necromundian hives. Necromunda: Underhive is the rulebook for the Necromunda tabletop skirmish game. Inside you will find everything you need to play the game of Necromunda including: the rules, ganglists, detailed backgrounds to Necromunda and it's houses as well as scenarios and rules for campaigns.