This game was heralded on its release for its unique gameplay. The game could be played by a single person against the computer or by two people with one person's "reality" being displayed on the upper half of the screen and another player's reality being displayed on the lower part of the screen. The game is a futuristic "ball" game - hence the name.
From the back of the box
The year is 3097 ... you are the contestant in the fastest, most competitive, and by far the most popular sport in the universe. You and your opponents are strapped into Rotofoils, hovercraft-like vehicles that skim the surface of the playfield at speeds of up to 50 meters a second. Your objective is simple - score the most points during the timed competition and be declared the champion ..."