In the arcades, a few years ago, and even today, we play the game of Pong. This game is played on a table and two competitors must send a ball to each other, trying to score points.
When one of them drops his guard, it's time to score points and to have the chance to win the match.
Some Pong games are variants in which you don't send a ball but another object. If you wanna be good at Pong games, you must be fast and have good reflexes.