The classic video game console Atari was released in 1977 and was one of the first consoles to use interchangeable cartridges. It was a major success, selling over 30 million units worldwide. It was the first console to have a large library of games, and it was the first to introduce the joystick controller. Atari was also the first console to feature a light gun, allowing players to shoot targets on the screen. The console was popular for its time and is still remembered fondly by many gamers today.