press the green frag to start and press the red button to stop. player 1 use (w, s, a, d) to move and use (z, x, c) to attack also use (e) to block the attack from the button (c) aka serious punch. player 2 use (up arrow, down arrow, left arrow, right arrow) to move and use (p, o, i) to attack also use (u) to block.