To provide a game machine, fully arousing game player's interest by ending a special game state at the point of time when he lacks the ability to concentrate even if only slightly.

One game is performed for the feed of a predetermined number of game media, and on the basis that a winning combination is established in the game, a predetermined number of game media according to the winning combination are returned. The special game state such as the so-called challenge time is started on the basis of the establishment of a predetermined start condition. The special game state is ended on condition that the pure increase number of the game media during the special game state increases to a first number and then decreases to a second number smaller than the first number.

COPYRIGHT: (C)2010,JPO&INPIT