25th Anniversary Super Mario Bros.

25th Anniversary Super Mario Bros. (25th スーパーマリオブラザーズ 25th Sūpā Mario Burazāzu) is a modified version of Super Mario Bros. that was released in Australia and Japan in 2010 as a preinstalled title on a special red Wii variant. The only difference is that the question mark blocks display a "25" instead of a "?".