The last level of World 2, it marks the first appearance of a Spiked Ball in the game. During most of the level, the player is on a levitating platform. The last level before the castle in World 2, this level is sky-based, filled with yellowish and milky-colored clouds. The sixth level of World 2 after the tower, it introduces Boomerang Bros., Blockhoppers and Fire Snakes. The boss here, like all other towers, is Bowser Jr. The tower of World 2, the level features many rotating platforms. The fourth level of World 2, it has a red-flag exit, which unlocks the way to the castle of the world, passing a Toad House. If the player does so, they can skip all levels in the world between 2-4 and World 2- Castle, where the pipe leads directly to. This pipe, only unlockable by completing World 2-A and using the normal exit, allows the player to gain access to the end of World 2. If the player enters the Warp Cannon, they are launched to World 5, which can be faintly seen in the background. The area contains a Warp Cannon in the middle of the desert. This area, while not really a level, can be unlocked by using the red-flag exit in World 2-A. The level has a red-flag exit, which unlocks the way to World 2- Warp Cannon. Although this world is in the middle of a desert, this level is largely inhabited by water. This level is the first and only bonus level in this world. The level has a red-flag exit, which unlocks the way to World 2-A. This level introduces the enemy Super Piranha Plant. The third level of World 2, the level begins in a desert, with a pipe to the underground. The second level of World 2, featuring a pyramid in the background, This level marks the first appearance of the enemy Lakitu in the game. This level introduces the enemy Pokey and Spiny. The first level in World 2, it is a desert-based level. If the player beats Mummipokey while in mini form, the player will gain access to World 4, instead of going to World 3. Unlocking Warp Pipes means that the player can skip some levels, and complete the world without completing all the levels. This world introduces the idea of Warp Pipes - a means of transportation from one level to another. is fought here for the second time in the Tower, and the boss of this world is Mummipokey.

It is a large Desert-themed world, with enemies such as Pokeys and Lakitus. World 2 is the second world in the game New Super Mario Bros. Like all of the worlds in New Super Mario Bros., World 2 contains secret routes to discover, including an alternate exit to World 4.” - Official website “World 2 takes Mario to an arid desert landscape crawling with prickly enemies.

Wii super mario bros world 2 castle