Yes, it did exist, and it was a pretty advanced game for a Game and Watch title, what with a boss of sorts, various enemies, and oddly enough, a plot with no connection to Ganon at all.
[media]http://www.youtube.com/watch?v=EXOOz0NkXDo[/media]
Apparently, two versions existed. The one shown above had a plot about eight evil dragons you had to defeat, and another had Aquamentus guarding the Triforce for some reason.
[media]http://www.youtube.com/watch?v=EXOOz0NkXDo[/media]
Apparently, two versions existed. The one shown above had a plot about eight evil dragons you had to defeat, and another had Aquamentus guarding the Triforce for some reason.