Catan Cities and Knights is an expansion for the Settlers of Catan game. Engage in defense of Catan from barbarian attacks and compete to build three great metropolises of Catan. Invest in city improvements, acquire trade commodities, and enrich your fine cities to become the master of Catan. You must have Settlers of Catan 4th Edition to use this product. For 3-4 players. Ages 12 and up. Game Time: 90 minutes.