In 51st State: Allies, the second expansion for 51st State Master Set, you find new ways to ally your factions! Cards now come with a new alliance mechanism that grants you new unique bonuses and features. Will you attempt to unite the factions of the 51st State, or are you going to be a lone wolf? Will you make powerful combos between your allied cards? Finally, do you plan a welcome party for the three new factions that have crossed the wasteland and jumped in to the fray? Allies adds Steel Police, Uranopolis, and Sharrash! With them, you will find new ways to dominate the wasteland!