Mike Jackson from CVG writes:
"So it turns out that Mario's creator has wanted to make a simultaneous multiplayer Mario game for years and this is IT. Four players platforming through traditional Mario levels all at the same time. Sounds obvious, so why the wait?
It was actually technology that held back Miyamoto's dream before, apparently, as he told E3 attendees that older consoles' lack of ability to zoom out and render all those sprites smoothly and clearly prohibited this type of game from being made."