Catan: Explorers & Pirates ExpansionCatan: Explorers & Pirates is the fourth major expansion for The Settlers of Catan (following Seafarers, Cities & Knights and Traders & Barbarians) and it includes five scenarios and three missions; some of the scenarios make use of the missions while others do not. Catan: Explorers & Pirates differs from the Catan base game in three main ways. First, instead of having only a single island in the game on which players build and compete for resources,