Catan Legend of The Sea Robbers Expansion GameSeventy years after the arrival of the first settlers, the Catanians have expanded throughout Catan. In Catan: Legend of the Sea Robbers, you and your fellow clan leaders play through four linked chapters, exploring new surroundings by sea. In each chapter, the Council of Catan provides a special mission that not only benefits your clan, but helps maintain peace throughout these new lands. Faced with the threat of the Sea Robbers, it is important for