To provide a game machine facilitating the change of control data or a control program associated with the change of specification such as the kind of a symbol combination or priority of stopping the symbol combination, and preventing a prolonged development period.

In preparatory processing for stopping a reel to be stopped before the reel is stopped, the game machine determines a predetermined number of shifting symbols from a stoppable position from among a plurality of candidates of the numbers of shifting symbols, using a plurality of kinds of stopping data in which information on different stoppable positions are defined, and after the preparatory processing for stopping the reel, the reel is rotated from a first symbol position when operating a stopping and operating section to a second symbol position through the predetermined number of shifting symbols, and stopped at the second position.