| 摘要 |
<P>PROBLEM TO BE SOLVED: To precisely detect fraudulence for each player, namely to detect repetition of a fraudulent act within a range regarded as a normal range. <P>SOLUTION: A game system includes: a storage medium-reading means of reading storage information on a storage medium; a valuable value-processing means of giving a valuable value corresponding to payment or the number of game media and subtracting the valuable value following the progress of a game in the game machine; and a storage medium-returning means of returning the storage medium received into the machine body. An abnormal state determination means determines an abnormal state, based on operation information from an operation information input means for inputting operation information for each game machine. An abnormal times-counting means counts a game period of one player from the beginning to the end of a game and the number of times determined to be abnormal based on the abnormal state determination means. The returning by the storage medium-returning means is prohibited based on an abnormal times counted by the abnormal times means. <P>COPYRIGHT: (C)2013,JPO&INPIT |
