For the advanced player: Discover the Cities & Knights expansion!

You will be brought to the golden age of trade and prosperity on CATAN. The new wealth of the region has attracted barbarians, and the knights of CATAN will be needed to repel the invader. Unite and defend the island of CATAN against a common enemy! But watch out, as you will also compete for the control of cities and metropolises.

More details on the official game page of Catan - Cities & Knights ...