First Released Aug 19, 2012. 3DS. New Super Mario Bros. 2 is a traditional side-scrolling adventure game featuring Mario, Luigi, and loads of other favorite characters from the popular Mario A full game co-op walkthrough for New Super Mario Bros 2 on Nintendo 3DS. This is an instructional video that shows how to complete the entire game. 6 Images Summary Mario hops into adventure in classic 2D style with this New Super Mario entry in the blockbuster platforming franchise. Content Rating Comic Mischief Developers Nintendo HGON.