Patent ID: 7291064

Claim:
A game program embodied in computer readable medium for changing representation on a display connected with a computer on the basis of a predetermined program, through which a player can execute a game; comprising: a program for instructing said computer to execute the following procedures; a procedure for determining item price, for respectively computing prices for transfer at an item shop in a game world of a plurality of items to be used in said game every each item; a procedure for executing said procedure for determining item price when executing a step of transfer of at least one item of said plurality of said items used in said game in said game program; said procedure for determining item price having a procedure for computing price for transfer of said at least one item on the basis of individual data concerning each item and for displaying said price computed on said display; said individual data including data concerning names of respective said plurality of items, individual parameter data which indicates strength and value of respective said plurality of items, a whole number of said plurality of items in said game, a number of said plurality of items which said player or the other players have, and a number of said plurality of items set as transferable stock; said whole number of said plurality of items in said game being a total of the numbers of said plurality of items which said player has, the number of said plurality of items which the other players have, and the number of said items set as transferable stock; said game program further instructing said computer to execute a procedure for rewriting individual data for the purpose of changing of said individual data when transferring said item; and said procedure for determining item price having a procedure for computing said transfer price so that the higher a rate of said transferable stock to said whole number of said items at said item shop is, the lower said transfer price is, and the lower the rate of said transferable stock to said whole number of said items at said item shop is, the higher said transfer price is; wherein said transfer price of said at least one item at said item shop is determined by the product of the individual parameter of said at least one item and the ratio of said transferable stock at said item shop to said whole number of said plurality of items in said game.