![New super mario bros wii world 1 secrets](https://cdn2.cdnme.se/5447227/9-3/screenshot_4_64e629479606ee5be4b9a969.jpg)
![new super mario bros wii world 1 secrets new super mario bros wii world 1 secrets](https://i.ytimg.com/vi/5yOQVYyEFDs/maxresdefault.jpg)
It is the first level to use auto-scrolling. This takes place underwater with many Sushis and Cheep Cheeps. This level is themed around Bouncy Mushrooms. This level introduces Koopa Paratroopas and the Mini Mushroom power-up. This level takes place in a grassy plains area with lots of hills. Snowy mountains from said world can be seen in the background. This Warp Cannon takes the player to World 5.
![new super mario bros wii world 1 secrets new super mario bros wii world 1 secrets](https://gamefaqs.gamespot.com/a/faqs/91/58291-51.jpg)
This tower is the only one in the entire game to house a secret exit, and getting it unlocks a Warp Cannon which takes the player to World 5. It features moving platforms, some of which have spikes on them, as well as Dry Bones as enemies. This level features a lot of mushrooms, and introduces Spin Blocks. This level takes place high above the sky.
![new super mario bros wii world 1 secrets new super mario bros wii world 1 secrets](http://graphics8.nytimes.com/images/2009/11/15/arts/16mario/articleLarge.jpg)
This level is the first to have a secret exit, which will unlock a route to a red Toad House and World 1. The level also introduces Piranha Plants. It is heavily inspired by World 1-2 from Super Mario Bros. This level takes place in an underground cave. This level introduces power-ups such as the Super Mushroom, Fire Flower, Starman, and the Mega Mushroom. It takes place in a grassy area beside Peach's castle, with Goombas and Koopa Troopas. This level introduces the players to the game. World 1 is also surrounded by bright blue water, which also connects to World 1-A. Peach's castle can be seen in the background right before World 1-1. Behind the tower, many rocky cliffs can be seen with dark green grass on them. There are also some brick blocks lying around the map. It takes a grassy plain filled with bushes, mushrooms, fences, and flowers. The appearance of World 1 is very simple.
![New super mario bros wii world 1 secrets](https://cdn2.cdnme.se/5447227/9-3/screenshot_4_64e629479606ee5be4b9a969.jpg)