The game selects play button, then may choose the
competition troop, if is two people competes, then was allowed to
select start button to start, if you were person and the computer
play, clicked on picture start button above computer elects to be
allowed, single: Operates withthe direction key;
Two person: With W, A, S, the Dkey and the
direction keyoperation, looked who enters the ball to be
many.