To provide a pachinko game machine, a game program and a server for allowing a player to take part in setting a game device and to more actively participate in a game.

The pachinko game machine comprises a lottery means for determining a hit or out by a lottery at a prescribed probability when a game ball enters a specific entrance hole, a plurality of discrimination information pattern groups consisting of a plurality of discrimination information patterns, and a display means with a plurality of pattern display parts for displaying discrimination information patterns varied/stopped based on the result of the lottery by the lottery means and a presentation display part for displaying various presentation images. In addition, the pachinko game machine also has a jackpot execution means for shifting the game state from a normal game state to a jackpot game state advantageous to a player if the result of the lottery by the lottery means is a hit and the combination of discrimination information patterns displayed in the plurality of pattern display parts is a prescribed hit combination, and a pattern variation mode setting means for enabling setting of the mode and/or speed of variation of the discrimination information pattern groups from the outside.