Shifty Boo Mansion

Shifty Boo Mansion, otherwise known as World 3-3, is the third course of World 3 in Super Mario 3D World. It is unlocked via completion of Snowball Park, and its own completion unlocks Pretty Plaza Panic.

Layout
The level starts in a hallway filled with Boos and a Big Boo, followed by some steps which lead to another Boo infested area with a door. The door leads to a bookshelf-filled room which leads to the Checkpoint Flag and another staircase area filled with Boos. A nearby door leads to an outside area with some Peepas and another door, which leads inside once again. Another step-filled area awaits, followed by a door which leads outside. Some Peepas and Big Boos await, followed by a fake Goal Pole. Some nearby steps lead to the real Goal Pole.

Green Stars

 * Green Star 1: Near the beginning, the player must jump into the Boo portrait to enter a rotating room with Peepas and the green star.
 * Green Star 2: In the library, the player has to move around the bookshelves on the very left to unveil the second green star.
 * Green Star 3: Near the end, the player must stand on the couch at the end of the hallway to take them to the third green star, which is hidden inside a fake Warp Pipe.

Stamp

 * Immediately after the first green star, the player has to stand on the couch that levitates to the stamp. The stamp is a Boo.

Enemies

 * Boos
 * Big Boos
 * Peepas