Abstract: A program drive device for computers and game machines, designed to run a variety of game programs, aerobic programs or dance programs on personal computers, commercial computers, personal game machines, or commercial game machines, under the control of users' physical action, is disclosed. The program drive device of this invention consists of a pad having a predetermined area and provided with a plurality of rails thereon. A support column movably engages with each of said rails while standing upright on the rail, and is movable along the rail as desired, and is fixed to the rail at an adjustable position. Upper and lower sensor units are movably installed in each of the support columns of the rails at upper and lower portions such that the sensor units are movable along each support column and are fixed to the support column at adjustable positions.