World 1 in New Super Mario Bros. Wii features a grass terrain.
- World 1-1
- World 1-2
- World 1-3
- World 1-Cannon
- World 1-Fortress
- World 1-4
- World 1-5
- World 1-6
- World 1-Castle
Save Toad Challenge
The enemies you fight in the save Toad challenges are Goombas.
The world also has a level that no other worlds have. This level is Princess Peach's Castle. There, you can pay Star Coins to Toad to unlock videos featuring tricks and secrets. It has 3 Toad Houses.
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