Head inside to find out just how well New Super Mario Bros. Wii performed in Japan...

It's received perfect scores from the most prestigious of publications, and now it seems New Super Mario Bros. Wii has secured commercial legendary-status to go with its critical lauding.

Four days after its release in Japan, publisher Enterbrain has tracked sales of the title to 936,734 units. This makes it the best-performing Wii game in Japan to date, beating out previous fastest-seller Super Smash Bros. Brawl's first week sales by over 100,000 units.

With the game continuing to enjoy phenomenal sales in North America and Europe, can Mario be number one this Christmas? Let us know your thoughts below...