New Super Mario Bros. Wii Goes Quadruple Platinum in Japan

New Super Mario Bros. Wii has sold over four million units in a single country.

According to Famitsu.com (via Andriasang), the Super Mario Bros. remake for the Wii has become the first ever title for the console to go quadruple platinum in a single territory. As of last Sunday, the game had sold 4,001,276 units in Japan.

New Super Mario Bros. Wii earned the title of best-selling Wii game to date back in March 2010 just before it hit 3.5 million units sold. The game will be one year old in Japan on December 3. It was first released in Australia on November 12, 2009. Worldwide, the game has sold over ten million units, and is the fastest selling game that came out for a single system in history.