To provide a pachinko game machine in which burden of control processing of a main control part can be decreased and various performance programs can be practiced in use by a pattern control part by using minimum commands from the main control part.

A pattern changing and displaying apparatus 10 for changing and displaying a plurality of patterns when a game ball enters into a starting prize winning hole and a starting condition is realized and the pattern control part 30 for storing a plurality of performance programs and controlling changing in the pattern of the pattern changing and displaying apparatus 10 by the performance program are provided. A plurality of performance programs have at least a high speed changing time period, a temporarily stopping time period and a ready-to-win action time period of the patterns are prepared by changing the times of the high speed changing time period, the temporarily stopping time period and the ready-to-win action time period in such a way that in cope with the pattern changing command, total time of the performance program on the same pattern changing command becomes the same.