 Commercially, "Luigi's Mansion" is the most successful GameCube launch title and the best-selling game of November 2001.According to Nintendo, the game was a large driving force behind the GameCube's launch sales and sold more copies in its opening week than "Super Mario 64" had managed to sell.Despite meager sales in Japan at around 348,000 units in total, it became the fifth best-selling Nintendo GameCube game in the United States, with sales of roughly 2.19 million units.