It looks like The Legend of Zelda: Ocarina of Time 3D and The Legend of Zelda: Skyward Sword aren’t the only Zelda games in development at Nintendo.
The ESRB recently rated something called Zelda Universe, an “Online” game from Nintendo. The game received an “E For Everyone” rating due to “Violence.”
So what is this mystery game? The first Nintendo-published Facebook application? Some kind of Flash game? A secret 3DS and/or Wii project? Something else entirely? Whatever it is, it should be noted that the franchise’s official Internet presence is also known as Zelda Universe, so it probably just refers to that.