A game box for storing game properties and for single-player or two-player game, comprises a first box body, comprising a first base and a first building block base, the first base is provided with a first holding space, the first building block base covers the top of the first base, both ends of rear side are pin connected to both ends of rear side of the first base; an inserting holder, arranged at one end of the first box body, and there is a slot in the top surface of the inserting holder; at least one card, which can be inserted into the slot, and a pattern is printed on the surface of the card; and a first building block set, which can be laid in the locating recess holes of the first building block base.