The Game Boy line is a line of handheld game consoles sold by Nintendo. It is one of the world's best-selling game system lines, with over 500 million units sold worldwide.[1] The classic Game Boy was sold in a number of different revisions and variations, including the streamlined Game Boy Pocket. In 1998, Nintendo released the Game Boy Color, a new Game Boy platform with color graphics. Combined,[16] the Game Boy and Game Boy Color sold 118.69 million units worldwide.[1]