'Super Smash Bros. Ultimate' is now the fastest-selling Nintendo game of all time, with 12 million copies sold in less than 2 months (NTDOY) - Business Insider Posted by 0x000216 February 03, 2019 'Super Smash Bros. Ultimate' is now the fastest-selling Nintendo game of all time, with 12 million copies sold in less than 2 months (NTDOY)