The Game Boy Micro is a mini version of the Game Boy Advance in 2005. And this is the last Game Boy system by Nintendo. It functions the same, but this system cannot play Game Boy or Game Boy Color games. This system only play Game Boy Advance games. Also it is said that the release of the Nintendo DS on November 21, 2004 shortly before the release of the Micro in 2005 "killed" it's sales, simply sending the Micro into Nintendo history. This system discontuined on January 31, 2008.