Players are encouraged to form houses, which are a pivotal political organization in this world. Each house can have as many members as it wishes. The members of a house can purchase rooms and other special features to enhance their house, with full control over the room descriptions (within the mud theme). Houses may purchase as many rooms or features as they wish, and all houses come with a member donation box. Houses compete with each other for control and influence over the world, and can form alliances, oppose each other, even start a house war. The known houses to date are: