<p>PROBLEM TO BE SOLVED: To detect and suppress fraudulent practice without taking excessive measures against fraudulent practice and to suppress loss of both a game parlor and a player as much as possible.SOLUTION: A game machine has: command error detection means which detects whether or not an error has occurred to command data; first game regulation means which clears the number of currently remaining unit games in a specific game state when a prescribed specific game state among a plurality of kinds of specific game states is in operation and an error of the command data has been detected by the command error detection means; and second game regulation means which prevents addition of the number of unit games when any of the plurality of kinds of specific game states is in operation and an error of the command data has been detected by the command error detection means.</p>
