To provide a game player with a feeling of reality like a monetary trade of a player in an actual soccer society.

It is determined whether 'release for a trade' or 'acquisition by a trade' is selected (step S2091). In the case that the 'release for a trade' is selected, player character data, etc., i.e., the image of a selected player character, player character data, and inputted minimum bid price data are uploaded to a trade player character data holder (step S2096). In the case that transfer money data is transmitted from a server when the trade is concluded, the value of the transfer money data transmitted from the server is added to fund data previously stored in a memory card and processed (step S2098), and then the fund data on which the addition is processed is displayed (step S2099).