Catan: Cities & Knights Expansion [Board Game, 3-4 Players]In the Catan: Cities & Knights Expansion from Catan Studios and Asmodee you engage in the defense of Catan and compete to build the three great metropolises of Catan. Each of these magnificent urban centers is even more valuable than a city. They're also immune to the dangerous barbarians. Invest in city improvements, which you acquire using three commodities of trade: coin, paper, and cloth. If you improve your culture, muster your knights, and