Players try to be the dominant force on the island of Catan by building settlements, cities, and roads. On each turn, dice are rolled to determine what resources — sheep, wheat, wood, brick and ore — the island produces. Players spend these resources to build settlements, roads, and cities and to purchase development cards that have different effects. Each settlement and city you have is worth points, and you can gain additional points by building the longest road, acquiring the largest army, or collecting certain development cards. The first player to collect 10 points wins.