Ghost House

Ghost Houses are reoccuring places that appear in the Mario games. They are often home to Boos and many other species. Ghost Houses always appear as old buildings with many bottomless pits around.

Super Mario World
Ghost Houses first appear in this game. There is a total of six of them in the game. They usually contain at least one Big Boo where either Mario or Luigi has to fight or avoid. The level always starts out with Mario or Luigi entering the house. Note that whenever Mario or Luigi complete a Ghost House, the game will always save.

Paper Mario
Only one Ghost House appears in this game. It is home to more friendly Boos including Bow and Bootler. It has many rooms with traps and old furniture. There is even an Item Shop in the basement and is known for being the only place that sells Life Mushrooms there. Mario can also use a Warp Pipe that connects Toad Town Tunnels directly beside the Ghost House. Bow's room is located on the top floor.

New Super Mario Bros.
Ghost Houses appear once again in this game. There is only four of them in the entire game and their layout differs each time. Another species of Boo called  Boozers first appear in these Ghost Houses attempting to punch Mario or Luigi.

New Super Mario Bros. 2
Ghost Houses have a much more common role in this game rather from it's preceedor. They are found nearly on every World except World 1 and World Star. Some Ghost Houses in this game is known for having the mighty Boohemoth.

New Super Mario Bros. U
In this game, there is only four Ghost Houses similar to New Super Mario Bros. It is known for having unique features.

New Super Mario Bros. Wii
Ghost Houses in this game appear nearly the same to the ones from New Super Mario Bros. New enemies such as Scaredy Rats make their first appearance in these Ghost Houses. Only four can be found in this game.

Super Mario 3D Land
Ghost Houses return in this game. There is a total of six of them in this game. The theme for the Ghost Houses is a remixed version of ''Super Mario Galaxy's Ghostly Galaxy theme. Ghost Houses are also known to house the unique Tail Boos.