Editing Mushroom Kingdom U

{{ArticleIcons|ssb4-u=y|ultimate=y}}

|location = ''{{s|mariowiki|New Super Mario Bros. U}}''

|image = {{tabber|title1=Ultimate|tab1=[[File:SSBU-Mushroom Kingdom U.png|300px]]|title2=Wii U|tab2=[[File:SSB4UMushroomKingdomU.jpg|300px]]}}

|caption = Mushroom Kingdom U across the series.<br>[[File:MarioSymbol.svg|50px]]

|games = ''[[SSB4]]'' ([[SSBU|Wii U]])<br>''[[Ultimate]]''

|interwiki = mariowiki

|interwikiname = Super Mario Wiki

|interwikipage = Mushroom Kingdom U

'''Mushroom Kingdom U''' ({{ja|マリオUワールド|Mario Yū Wārudo}}, ''Mario U World'') is a stage in {{forwiiu}} and ''[[Super Smash Bros. Ultimate]]''. {{SSBU|Bowser}} is fought here for his unlock battle in ''Ultimate''. [[Peach]] and [[Daisy]]'s unlock battle in [[World of Light]] is also fought here in the Slide-Lift Tower.

The starting version, set in a grassland. Features a large main platforms with three smaller [[soft platform]]s above.

Set in the mountains, it features a single rock platform balanced on the tip of a spire; the platform balances like a lever.

Set above pink clouds, features two walled platforms separated by a pit, with floating platforms above the pit and the right platform.

Set in the inside of a tower, features two solid blocks which move along a rectangular rail. In their movement the blocks rub onto each other, and are able to push fighters and [[item]]s.

Several other elements and hazards can appear on the stage, independently of the current stage variation:

*A giant beanstalk which sprouts from the background and grow branches and leaves, which players can use as platforms. The beanstalk disappears after some time.

*Droplets of water which fall from the sky, soon followed by a giant icicle that [[freeze]]s any player who touches it while it is falling. After striking the ground, icicles serve as platforms which can be damaged and destroyed by attacks.

*Water geysers which spout upwards, acting as extra platforms. Players who touch them will be lifted up. Some of these geysers carry damaging Big Urchins on top of them.

[[File:SSB4 - Nabbit MKU.jpg|thumb|left|Nabbit, having caught {{SSB4|Luigi}} in his bag.]]

[[Nabbit]] shows up periodically when the stage transforms. He chases after players and tries to catch them in his bag; once he traps a player he attempts to blast off smoke towards the upper blast line, much like the [[Beetle]] and [[Boss Galaga]] items. Nabbit is treated as a fighter, and therefore is vulnerable to attacks, grabs, and items - he even takes [[knockback]] proportional to damage - and can be defeated by being launched beyond the [[blast line]]s.

In ''Super Smash Bros. for Wii U'', the [[Ω form]] is set on a flat rock platform with grass on top in the Acorn Plains portion of the regular form. Star KOs can occur.

In ''Super Smash Bros. Ultimate'', Ω form and [[Battlefield form]] are similar to the Ω form in ''SSB4''; however, the main platform is now made of the grassy soil found in the beginning of the Acorn Plains portion and is resized and reshaped to match {{SSBU|Final Destination}} and {{SSBU|Battlefield}}, respectively. The three [[soft platform]]s of the Battlefield form are based on the three soft platforms in the Acorn Plains section of the normal form.

With hazards off in ''Ultimate'', Kamek never appears and changes the stage, which remains in Acorn Plains for the duration of the match. Nabbit is also removed.

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*Despite [[Olimar]]'s [[End of Day|Final Smash]] freezing the stage when it is used, Icicles will continue to fall.

*[[Yoshi]], [[Peach]], [[Sheik]] and [[Bowser Jr.]] are the only characters who travel to this stage in their Classic Mode routes.

**If counting sub-universes, Sheik is the only non ''{{uv|Mario (universe)|Mario}}'' character to travel to this stage in Classic Mode.