1. A program for a game device having a timer, the program causing a computer to function as: an event table storage section which stores an event table created based on registration information input by a player, the event table defining a plurality of first parameters used for an event process and an available period of each of the first parameters; an event condition setting section which determines whether or not the player has performed a predetermined operation, detects an operation timing of the predetermined operation when the predetermined operation has been determined to have been performed, sets a second parameter used for the event process based on the detected operation timing, and sets an event condition based on the second parameter; and an event processing section which determines whether or not the event condition has been satisfied, selects an available first parameter from the first parameters referring to the event table based on time information generated by the timer when the event condition has been determined to have been satisfied, and performs calculations based on the selected first parameter.