World 3-1 (New Super Mario Bros. Wii)

World 3-1 is the first level of the third world in New Super Mario Bros. Wii. The level starts in a snowy ground with Cooligans sliding in Mario's direction. The next part contains big bump ice ground, Piranha Plants and Paratroopas. Mario after explores an small part with giant ice walls. After entering in a pipe. Mario will see a long slippy track and can slide on it with a Penguin Suit until the Flagpole.

Layout
The level start with ? Blocks and Cooligans coming from the right. After avoiding the Cooligans, there will be two Piranha Plants and a ? Block containing a Penguin Suit. After that, Mario will find Koopa Troopas and more Cooligans. There will be a Checkpoint and a Warp Pipe, which Mario must use to progress trough the level. The Warp Pipe leads a place with a Red Coin Ring and a ? Block with a Penguin Suit. After that, Mario must slide with the Penguin Suit to collect the Red Coins and reach the Flagpole while avoiding some enemies.

Star Coins

 * Star Coin 1 - After the first two Piranha Plants, Penguin Mario must slide to break the bricks and to collect the Star Coin.
 * Star Coin 2 - Under the Warp Pipe ground, is a little area with a pipe with a Piranha Plant. The plant must be freezed and become a platform to reach in the Star Coin. You can also jump, grab it, and wall jump out at the last second.
 * Star Coin 3 - In the ice track area, Mario must reach near five Brick Blocks and break the two that are on the entrance of a pipe. Entering in it, Mario is warped to a cave with two parts: above, a Cooligan pipe and in the bottom the Star Coin over an abyss. Mario can freeze a penguin and jump over it, using as a platform to take the Star Coin. Alternatively, as Penguin Mario, the player can slide on his belly, jump, grab the Star Coin, and wall jump out of the pit.

Enemies

 * Cooligans
 * Piranha Plants
 * Koopa Paratroopas
 * Koopa Troopas