World 3 is an ice world while World 4 is a water world in New Super Mario Bros Wii. In New Super Mario Bros U, why is World 3 the water world
![New Super Mario Bros. Wii 100% Walkthrough Part 5 - World 3 (3-1, 3-2, 3-3, 3-T) All Star Coins - YouTube New Super Mario Bros. Wii 100% Walkthrough Part 5 - World 3 (3-1, 3-2, 3-3, 3-T) All Star Coins - YouTube](https://i.ytimg.com/vi/jO5YuyPXMvQ/maxresdefault.jpg)
New Super Mario Bros. Wii 100% Walkthrough Part 5 - World 3 (3-1, 3-2, 3-3, 3-T) All Star Coins - YouTube
World 3 - New Super Mario Bros. Wii - Koji Kondo Sheet music for Piano, Strings group, Percussion bells (Mixed Trio) | Musescore.com
![Amazon.com: Clip: New Super Mario Bros. Wii Playthrough : Brian Saviano, Brian Saviano: Películas y TV Amazon.com: Clip: New Super Mario Bros. Wii Playthrough : Brian Saviano, Brian Saviano: Películas y TV](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71hOXLmOPjL._RI_.jpg)