The document describes the classic video game Pong. It explains that the goal is for players to use paddles to hit a ball back and forth, aiming to have the ball pass through the opponent's scoring zone. It notes that hitting the ball off screen results in a point being added to the scoreboard. When a player scores a certain number of points, they win the game and the scores reset. The document also provides background that Pong was initially only available on arcade machines and was later released for home consoles, revolutionizing the video game industry.