Once upon a time, the Chaufort and the Cunningfields families fought together against invaders in their lands. It was a long and terrifying siege. Some say their rivalry started over the last piece of cheese. . . The Siege Expansion adds new weapons, new warriors, bricks, and parapets to improve your castle design. Play in Siege mode and build one big castle, but watch out for friendly fire. . . it may not be so friendly!