It's not the complex wargame that it appears to be. You're a tank in a vertically-scrolling landscape, surrounded by terrain features, turrets (which shoot at you), and orange bomb symbols. You can destroy the turrets and bombs, though the turrets fire much further than you do. Use the stick to move your tank, hold down the button and use the stick to rotate your gun. You have a time limit, though sometimes the game ends with "Press Pause" for no reason that I can figure out.