Mario Party 9 (Japanese: マリオパーティ9, Hepburn: Mario Pāti Nain) is a 2012 party video game developed by NDcube and published by Nintendo for the Wii. The ninth main installment in the Mario Party series, it was announced at E3 2011 and released in Europe, North America, and Australia in March 2012, followed by Japan a month later. It was the first...