没有限制. 官方FAQ的第一条:
RESOURCES
Q: Is the number of resource cubes available in the game considered a limit?
A: No, the stock is supposed to be unlimited.
Q: Is the number of houses available in the game considered a limit?
A: No. There should be enough of them for most games, but if more are needed, you may use another available color or take houses from sections of the castle which have been already scored.
房子用完了可以用其它颜色的或用前面已结算过阶段的房子.
