Twilight: 2000 – Urban Operationsis a modular expansion focused on cities. The expansion is loosely based on the classic moduleFree City of Krakowfrom the first edition of theTwilight: 2000RPG, but designed to be used in any city environment. The expansion includes guidelines for playing in cities, new factions, new scenario sites, and introduces several plots to create longer story arcs. It includes a scenario book, city maps, scenario site maps, modular battle maps, and new encounter cards for urban environments.