assigned to trigger l switching of the display page returning to the previous page of categories and words is assigned to trigger r switching of the chat mode soft keyboard word select symbol chat is assigned to button x on off of the chat mode is assigned to button y and the selection of categories and words is assigned to the cross shaped key 0065 fig1 shows an example of a chat screen the appearance of the game field is reflected on the game screen of the display 5 and displayed are a speech balloon communication content display area 51 in the vicinity of the characters for displaying the contents of the conversation of the characters a window candidate term display area 52 for displaying the table in which the terms to be selected have been sorted and an editing window message editing area 53 for editing messages the main cpu 101 executes the program chat algorithm pursuant to character attribute judgment shown in fig4 when it judges that a flag for conducting a chat has been set during the execution of the main program in a party organization mode for example if a player presses the y button of the pad 2 b during the scene of soliciting participation to a prescribed team in a state where the game guidance screen is displayed or during the scene of discussion or information exchange in a lounge or bar where it is.