Byon Byon consists of numerous minigames where the player must use the unique fist controller to punch various targets and animals. The controller is very unique, with the game described as a "telescopic fist simulator".
The controller is essentially a plastic fist enclosed in a clear plastic cylinder, with handles on the sides. Players must aim the tube, and then pull back on the handles to "punch". The game is characterised not only by its control scheme, but also by its wacky and over the top Japanese graphics.