[0003] In a conventional RPG, it is common that when a player character attacks an enemy character, a player selects his/her desired command from a plurality of commands to specify what kind of attack is made on the enemy character (see, for example, JP 2010-142346 A). In addition, in an action game and an action RPG, specification of what kind of attack is made on an enemy character is performed by pressing any of a plurality of operating buttons. As such, in order to enhance the interest of a game, the types of attacks that can be taken when a player character attacks an enemy character have been diversified.
[0004] However, in the case of an RPG, as the number of types of attacks that can be taken upon an attack increases, the player needs to search and select his/her desired command from a larger number of commands. Thus, the player needs to press operating buttons a number of times, and as a result, it takes time to select a command. In addition, in the case of an action game and an action RPG, a complex operation is required, such as pressing a plurality of different operating buttons simultaneously or continuously. Hence, the game is difficult for a beginner of the game to get accustomed to, e.g., he/she cannot fully enjoy the game until mastering the game.