Peach's Castle (world)

Peach's Castle in New Super Mario Bros. U seems to be in the same place as it were in New Super Mario Bros. Wii. However, this iteration has a large moat surrounding the castle, an extra floor, as well as a tower on the right of the castle.

In the game's opening, Bowser and his Koopalings once again attempt to kidnap Princess Peach. However, instead of taking Peach away, Bowser throws Mario, Luigi, Yellow and Blue Toad all the way to an acorn tree in the Acorn Plains. Afterwards, Bowser sends the Koopalings to secure the land's castles, while Bowser's Airship hovers over Princess Peach's. Over time, Bowser remakes Peach's Castle into his own image, until it is eventually shrouded by a tornado.

Like its predecessors, the castle can be seen in the first level, Acorn Plains Way. However, unlike it's predecessors, it doesn't appear at the start of the stage, as the Acorn Tree takes that spot. Instead, it appears near the end of the stage and even then, it appears very far into the distance. It's also the final, lava-themed world of New Super Mario Bros. U, as at that point, the castle has been fully remade to Bowser's interest. The castle itself remains unchanged from the outside (it has changed on the inside, though), but the ground is charred and is surrounded by a moat of lava. There are six levels, making it the world with the least amount of levels in the game.

At the end of the game, Peach's Castle is restored to its original state. However, if the players plays post-endgame, and enters the world, the area will revert back to how it was behind the tornado.

Levels

 * Peach's Castle 1: Meteor Moat: This level features giant, falling fireballs.
 * Peach's Castle 2: Magma-River Cruise: A level on a raft over a lava lake.
 * Peach's Castle 3: Rising Tides of Lava: A volcano level where rising lava, screw mushrooms and Big Buzzy Beetles are found.
 * Peach's Castle 4: Firefall Cliffs: A level where Mario must climb a mountain dodging giant fireballs.
 * Peach's Castle-Princess Peach Castle Sprite.png: Red-Hot Elevator Ride: Here, the player rides and drives a rising elevator which stand still when any enemy stands on it, while the lava rises.
 * Peach's Castle-Princess Peach Castle Sprite.png: The Final Battle: The last part of Peach's Castle, where Bowser is fought and Bowser Jr. attacks the player with the Koopa Clown Car.