A game apparatus includes a symbol arrangement device, a replacement symbol drawing device, a symbol replacement device, and a win determination device. The symbol arrangement device is configured to arrange a plurality of symbols in a predefined area. The replacement symbol drawing device is configured to draw at least one replacement target symbol to be replaced. The symbol replacement device is configured to replace, with at least alternative symbol, the at least one replacement target symbol that was drawn, after the symbol arrangement device arranged at least one of the plurality of symbols. The win determination device is configured to perform a win determination based at least in part on an arrangement of symbols which are in at least a part of the predefined area, after the symbol replacement device replaced, by the at least alternative symbol, the at least one replacement target symbol that was drawn.