The Legend of Zelda

a.k.a "LoZ", "Zelda I"

The Original Zelda
The Legend of Zelda was the very first Zelda game released. It came out as early as 1986 for the Famicom in Japan, and was later released in the western world, including Europe and USA in 1987. It has since then been rereleased several times, for the GameCube as well as the GameBoy Advance.