Federation and Empire is the grand strategic game system for the Star Fleet Universe series of games (Star Fleet Battle, Federation Commander, A Call to Arms: Star Fleet, the Prime Directive series of RPGs, and more). This game allows players to manage the war economies and the strategies of the empires of the the local sector of the galaxy: Federation, Klingon Empire, Romulan Star Empire, Gorn Confederation, Kzinti Hegemony, Lyran Empire, Hydran Kingdom, Tholian Holdfast, and the late arriving Interstellar Concordium. This game will use a three player scenario but the larger game can handle twice as many people.