Can we now imagine a world without video games? This seems unthinkable! However, the first computer game appeared in 1962! It is true but it was not until the 70s that everyone can play video games and the first one had to be of age requested to enter a bar or live near a shopping mall which proposed arcade games..In 1951, a young American engineer Ralph Baer is charged by the company Loral Electronics, TV design, not an ordinary TV, but the best ever built.Baer think to make her different from other TV, it must incorporate some way a possibility for the user to play but his employers refused the idea. Ralph Baer is not made history, but we can consider that it is the first to have had the idea of a video game! Seven years later the physicist Willy Higinbotham program for fun a game of tennis on an oscilloscope. This idea could be the first attempt to create a video game, but Willy Higinbotham not deem it advisable to file the invention.