Game Boy
The Game Boy was the first, excluding the Game and Watch line, of battery-powered handheld game consoles sold by Nintendo, and is the third system that allowed a portable Legend of Zelda game, behind the Zelda Game Watch and Zelda Game&Watch [citation needed].It is one of the world's best-selling game system line[citation needed], selling over 118 million units worldwide to date since its release 1989[1], and has spawned many successful spin-offs, including the Game Boy Pocket, a smaller, more portable version of the Game Boy, the Game Boy Color a system that was both portable and in color, the Game Boy Advance which was more technilogically advanced, and had two extra buttons, and the Game Boy Advance SP, which was a smaller Game Boy Advance, but with an adjustable backlit screen.