In just five days, the new Super Mario Odyssey video game for the Nintendo Switch system sold more than 1.1 million units in the U.S. alone. That makes it the fastest-selling Super Mario game ever in the U.S., surpassing the New Super Mario Bros. Wii game. Super Mario Odyssey is also the fastest-selling game so far for Nintendo Switch. The game has already been enjoyed by well over a million pe... more.