Nintendo confirms work has begun on the next core Mario game, but won't say if it's for Wii U or 3DS

Nintendo has begun work on the next entry in the core Mario series, but the company won't say if this new game is for the Wii U or 3DS. Speaking with Edge, producer Yoshiaki Koizumi said, "That's still a secret! I can tell you, though, that we've already started approaching our next challenge." Also in the interview, Koizumi said Nintendo's design team continues to seek out new ways to innovate in the platforming genre. "There's still a lot more room for discovery and invention, and we'll contin...