GameCareerGuide, Gamasutra’s sister site for aspiring game developers, recently asked readers to invent a game concept for the Wii Balance Board. The three most interesting and commercially viable submissions are posted alongside commentary from game designer and lead judge of the challenges Manveer Heir. (Image this page by Max Michaud-Shields.) The posts are part of a weekly series of Game Design Challenges, which allow aspiring game developers to flex their creative and problem-solving muscles in …