The Ambelau expansion adds three discreet modules to expand and deepen your games of Buru. These modules may be used individually or in any combination.

Included in this expansion are:

- Fifth Player Module: All the components required to add a fifth player to the game.

- Ukum Module: The spirit Ukum represents justice and order on Buru. Players pay tribute to Ukum by exiling those who violate the natural law — especially Outcasts, a new type of Islander.

- Ambelau Module: The lush volcanic island of Ambelau is just a short trip from Buru. Players may send Explorers to this new region in canoes, where new action spaces await. Ambelau actions let you collect resources, gather fish, recruit Guides, and pay tribute to Ibu, the spirit of growth and life.

Also included are updated rules for playing the Spirit or Solo modes with Ambelau modules.