Patent attributes
A game machine comprises a monitor for displaying a screen image for prompting a manipulation input, a control panel unit provided with push buttons and adapted to accept manipulations from a game player so as to make progress on a game, a movement mechanism unit disposed at a bottom of a base segment to provide turning and traveling to the control panel unit , an apparatus-body drive control section 107 for controlling the drive of the movement mechanism unit, and a control instruction section or for outputting a given drive control instruction generated during game play to the drive control section, whereby a motion for positional displacement of a manipulation input unit is instructed in line with a game progress or a game result to exert an influence on a difficulty level of a game so as to enhance amusement of the game.