(From Games Workshop Website) The Cities of Death expansion to Warhammer 40,000 (Fourth Edition) and Warhammer 40,000 (Fifth Edition) introduces rules that let you engage in bitter struggles amid the deadly city streets of the 41st millennium. Also included are modeling tips, painting secrets, scenarios and much, much more.* Cities of Death gives the players the opportunity to play Skirmish style game play, similar to what Mordheim is to Warhammer Fantasy Battles. There is a new line of city ruin Terrain sold through Games Workshop for Cities of Death. Requires Warhammer 40K or The Battle for Macragge to play. Expands: Warhammer 40,000 (Fourth Edition) Warhammer 40,000: Battle for Macragge Warhammer 40,000 (Fifth Edition)