Breeding simulation apparatus for virtual creatures

A simulation for breeding a virtual creature for growing the creature by a player by applying disciplining or training treatments to the creature in a screen. The apparatus is provided with mark display units individually displaying a plurality of kinds of treatments related to breeding the virtual creature and key switches for inputting a corresponding one of the treatments by selecting a specific mark from the plurality of marks. The apparatus includes a storing unit for storing control data related to breeding the virtual creature, a control unit whereby treatments for breeding the virtual creature are inputted by operating the key switches and a display unit for displaying the fostered virtual creature. Control data corresponding to input into the control unit is read from the storing unit and a control process related to breeding the virtual creature is conducted based on the read control data.