This extension forCatan: Explorers & Piratesallows a fifth and sixth player to join in the building, trading, colonizing, fishing, sailing, pirate battling, and spice trading fun.Catan: Explorers & Pirates – 5-6 Player Extensionadds components for two more people to playCatan: Explorers & Pirates, the fourth major expansion forThe Settlers of Catan. Please note:You will need theCatan base game, theExplorers & Pirates expansion, and both theCatan base game 5-6 player extensionand thisExplorers & Pirates5-6 player extension a total of four game boxes.