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 * In the final level of World 9 in Super Mario Bros.: The Lost Levels, a group of tile blocks (pictured) can be found spelling out "アリガトウ！" (Arigato!, meaning "Thank You" in Japanese).
 * Super Mario Strikers is the only Mario Nintendo GameCube game to support 16:9 widescreen as well as 480p.
 * When Mike Vaughn recorded the voices for Ludwig von Koopa and Iggy Koopa in New Super Mario Bros. Wii, those same audio files were used repeatedly for most titles they have appeared in since. Vaughn publicly called this action a theft by Nintendo as the usage release signed by both parties prohibited the company from using those files in advertisements or promotions.
 * In the Japanese version of Paper Mario: The Thousand-Year Door, Larson's house contains blood stains surrounding a chalk outline of a Toad. These were removed when the game was localized, to avoid violent undertones.