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/World 1-4 — StrategyWiki, the video game walkthrough and strategy guide wiki New Super Mario Bros. Wii/World 1-4 — StrategyWiki, the video game walkthrough and strategy guide wiki](https://cdn.wikimg.net/en/strategywiki/images/thumb/9/9d/NSMBW_1-4_Star_Coin_1.png/300px-NSMBW_1-4_Star_Coin_1.png)
New Super Mario Bros. Wii/World 1-4 — StrategyWiki, the video game walkthrough and strategy guide wiki
![World 4 from the official artwork set for New #SuperMarioBros on #Wii. # Mario. #Luigi Visit for more info http://www.su… | Super mario bros, Super mario, Mario bros World 4 from the official artwork set for New #SuperMarioBros on #Wii. # Mario. #Luigi Visit for more info http://www.su… | Super mario bros, Super mario, Mario bros](https://i.pinimg.com/564x/25/e4/89/25e4892d83e3d09c71ed8e0829cbc215.jpg)
World 4 from the official artwork set for New #SuperMarioBros on #Wii. # Mario. #Luigi Visit for more info http://www.su… | Super mario bros, Super mario, Mario bros
![New Super Mario Bros. Wii - Star Coin Location Guide - World 4-Ghost House (fixed) | WikiGameGuides - YouTube New Super Mario Bros. Wii - Star Coin Location Guide - World 4-Ghost House (fixed) | WikiGameGuides - YouTube](https://i.ytimg.com/vi/s-fJ-tegr3I/hqdefault.jpg)
New Super Mario Bros. Wii - Star Coin Location Guide - World 4-Ghost House (fixed) | WikiGameGuides - YouTube
![How to Collect all three Star Coins in New Super Mario Bros Wii World 1-4 « Nintendo Wii :: WonderHowTo How to Collect all three Star Coins in New Super Mario Bros Wii World 1-4 « Nintendo Wii :: WonderHowTo](https://img.wonderhowto.com/img/17/40/63475276747184/0/collect-all-three-star-coins-new-super-mario-bros-wii-world-1-4.1280x600.jpg)
How to Collect all three Star Coins in New Super Mario Bros Wii World 1-4 « Nintendo Wii :: WonderHowTo
![New Super Mario Bros. Wii - Star Coin Location Guide - World 4-Mid-Castle | WikiGameGuides - YouTube New Super Mario Bros. Wii - Star Coin Location Guide - World 4-Mid-Castle | WikiGameGuides - YouTube](https://i.ytimg.com/vi/wED9d1MhvTs/hqdefault.jpg)