Patent ID: 7309288

Claim:
A computer-readable program, stored in storage medium for implementing a game which displays a plurality of characters on a screen, determines action patterns of the characters by means of a player selecting commands, and causes a story to proceed on the screen, the computer-readable program comprising the steps of: specifying, for at least one of the characters, any one of a plurality of types of variable display zones whose display patterns change with lapse of time, in accordance with the player's selection; determining a display pattern of the variable display zone specified in the specifying step or a change mode of the display pattern by means of parameters set for at least one character; displaying, on the screen, a specified variable display zone in a determined display pattern or the change mode of the display pattern; determining consistency between timing of input operation performed by the player when the display pattern of the variable display zone is changing and the display pattern of the variable display zone; and determining efficacy of a determined action pattern of the character on the basis of a determination result.