Super Mario 3D World has been confirmed for a December release on Wii U. It’s another platformer similar to Super Mario 3D Land on 3DS, but this time it includes four-player multiplayer with Mario, Luigie, Peach and Toad all chipping in to save the day. Here’s the trailer: http://www.youtube.com/watch?feature=player_embedded&v=4uGyWnN7QHY