In an interview with The Conduit developer the developer revealed they prepare two exclusive games for Wii to be unveiled at the next E3. One of them a FPS and the other a game with hordes of enemies on-screen, on average 65 at once (but it can top that).
in http://www.nintendo-master.com/xtnews/news-19353_exclu_up_high_voltage_software_prepare_2_jeux_.htm
Hope they get a better art direction in these...