Depending on the technical capabilities of the WiiU, I would love to have an Endless Ocean-like in space:
http://www.youtube.com/watch?v=43eIjvoYfos&feature=related
That would be glorious. Please allow me to go from Earth to the Horse Head nebula in one straight journey.
Maybe Cosmic Walker will make a comeback.
Hey it's not that far-fetched with Steel Diver and Fatal Frame 2 reappearing out of nowhere.