Patent ID: 6913536

Claim:
A game machine for executing a predetermined game in response to a player's operation, comprising: a display that displays a game screen; operation switches operated by the player; an operation pattern data storage memory that stores operation pattern data including operation timing data defining an operation timing of said operation switches to be operated by the player, and operation type data defining which type of said operation switches is to be operated with the operation timing; a display controller that controls said display to sequentially display, based on said operation pattern data, information about the operation timings and the types of said operation switches to be operated by the player; an evaluation section that successively evaluates, with the progress of the game, correlation between the operation timings and types of said operation switches operated by the player responding to the information displayed on said display, and the operation timings and types defined by said operation pattern data; and difficulty level change section that, in response to a difficulty level having been set low, skips or changes at least a portion of said operation type data without skipping or changing said operation timing data, and controls said display controller to perform display control and said evaluation section to perform evaluation.