Abstract: A game machine provided with moving means running on a specified race track includes drive controlling means for controlling the moving means to run on the specified race track which is selected from among a plurality of race tracks. The game machine can keep game players amused for a longer period of time and change a layout of race track in a shorter period and with a lower cost.

Abstract: A system for remotely controlling a movable object includes a drive controller which is provided on the movable object and controls the driving of the movable object in accordance with movement data; an emitter device which is attached to a movable object movable and emits light; a light sensor which receives light emitted from the emitter device to produce light data; a processor which calculates a position of the emitter device attached to the movable object based on the light data from the light sensor; a movement data generator which generates a movement data for the movable object in accordance with the position calculated by the processor; and a movement data sender which sends the generated movement data to the drive controller provided on the movable object.