Documentation in SoftSide Magazine The object of this game is to achieve as high a score as possible by hitting as many targets as possible. You maneuver the paddle toward the ball so that it intercepts the ball and deflects it back to the target area. Each target set consists of 140 targets, arranged as ten columns of fourteen blocks each. A block's value is determined by its column. Breakthru is a Machine Language arcade game for the TRS-80 Model I or III. Optional sound is available for an external amplifier through the AUX cable of the cassette port.