New Super Mario Bros. Wii
"New Super Mario Bros. Wii" was a commercial success, selling 936,734 units within four days of its release in Japan, the biggest debut for a Wii game in the region; its sales increased to 1,401,558 in the following week. Upon the game's release, sales for the Wii console increased by 128%, following a recent slowing in hardware sales for the system. "New Super Mario Bros. Wii" sold 3,002,753 units within seven weeks of its release in Japan, making it the fastest game in that country to sell 3 million. In North America, "New Super Mario Bros. Wii" sold 1,390,000 units in November 2009, making it the third best-selling game of the month behind the Xbox 360 and PlayStation 3 versions of "". Within 45 days, the game had sold 4.2 million copies in the US, surpassing "Super Mario Galaxy"s 4.1 million sales. In December 2009, the game sold units. By the end of 2009, "New Super Mario Bros. Wii" had sold units worldwide, making it the fastest selling single-system game in history, with 4.5 million units sold in the U.S., 3 million in Japan, and nearly 3 million in Europe.