Platform: Wii US Release Date: 11/15/2009 JP Release Date: 12/03/2009 Genre: Action (2D Platformer) ESRB Rating: E Developer: Nintendo Publisher: Nintendo Synopsis: Mario returns to his roots in this 2D sidescroller that more closely resembles "Super Mario Bros. 3" than it does "Super Mario 64." Up to 4 players can join the action simultaneously for the first time ever in this long-running series.