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
![SMBPlumbing.com just made a reference to MARIO WiiU, which means that Nintendo has now embrace the chaos that was the Miiverse : r/Mario SMBPlumbing.com just made a reference to MARIO WiiU, which means that Nintendo has now embrace the chaos that was the Miiverse : r/Mario](https://preview.redd.it/just-made-a-reference-to-mario-wiiu-which-means-that-v0-mtce6j5fmroa1.png?width=640&crop=smart&auto=webp&s=ce5226d75f1ccb083dacff5850cd912cbf848bcd)
SMBPlumbing.com just made a reference to MARIO WiiU, which means that Nintendo has now embrace the chaos that was the Miiverse : r/Mario
![Nintendo of America twitter referencing the famous "nice water" Miiverse user, and the man himself responding | Nintendo | Know Your Meme Nintendo of America twitter referencing the famous "nice water" Miiverse user, and the man himself responding | Nintendo | Know Your Meme](https://i.kym-cdn.com/photos/images/original/001/878/212/cc2.png)