Lemmy's Swingback Castle

This article is about Lemmy's Swingback Castle, a level in New Super Mario Bros. U. For other uses, see Acorn Plains-Castle.

Level
Lemmy's Swingback Castle
Level code	World 1-
World	Acorn Plains
Game	New Super Mario Bros. U
Primary power-up	Super Acorn
Time limit	500 seconds 600 seconds (Deluxe)
Boss	Lemmy Koopa
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Lemmy's Swingback Castle, or Acorn Plains-Castle is the castle level of Acorn Plains and the first Castle of New Super Mario Bros. U. The course contains lava and Pendulum Platforms. It is the final course of the Flying Squirrel Pack in Boost Rush. It is unlocked by completion of Mushroom Heights or Rise of the Piranha Plants, and its completion unlocks Layer-Cake Desert and its first level, Stone-Eye Zone.

Layout

Lemmy Koopa's boss fight

This level begins with a blue Pendulum Platform with a ? Block containing a power-up above it. The player then uses more Pendulum Platforms to cross a pit of lava, with a Dry Bones on a platform in the middle. More Pendulum Platforms are found above the lava, followed by a Dry Bones on a row of Brick Blocks, one of which contains a power-up. A section of multiple Pendulum Platforms above the lava follows, with Lava Bubbles and a Dry Bones acting as obstacles. The Checkpoint Flag is found, followed by some platforms and Lava Bubbles. More Pendulum Platforms and a Red Ring follow. A Dry Bones is found on a stationary platform, and is followed by more Pendulum Platforms and Lava Bubbles. The boss door is found at the end of the area, which leads to the top of the castle. A Fire Flower in a Hidden Block can be found next to the boss door. The player must then use the red and black cannon at the top of the castle to shoot themselves into Lemmy Koopa's airship.

The boss of the course is Lemmy Koopa, who now uses bombs (with the same star pattern as his rubber ball) and tosses them at the player while periodically rolling around the arena. After getting hit two times, he starts throwing larger bombs that have a bigger blast radius. Lemmy’s bombs explode when they reach the wall unless the player touches them beforehand, which will light their fuse early.

Star Coins

Image	Location
	The first Star Coin is found between two Pendulum Platforms near the start of the level.
	The player needs to have either a Super Acorn or a Mini Mushroom for the second Star Coin, which is suspended in mid-air directly after the Checkpoint Flag. Peachette can also be used to reach this in New Super Mario Bros. U Deluxe.
	Near the end of a course, the third Star Coin is in a Warp Pipe almost submerged in lava.

Enemies

Image	Name	Count
	Dry Bones	3
File:NSMBU Lava Bubble Render.png	Lava Bubble	12
	Lemmy Koopa	(boss)

Names in other languages

Language	Name	Meaning	Notes
Japanese	レミーの ゆらゆらブランコの城[?] Remī no Yurayura Buranko no Shiro	Lemmy's Castle of Swaying Swing
Chinese	雷米的摇晃锤摆城堡 (Simplified) 雷米的搖晃錘擺城堡 (Traditional)[?] Léimǐ de Yáohuàng Chuíbǎi Chéngbǎo	Lemmy's Swaying Swing Castle
Dutch	Lemmy's schommelkasteel[?]	Lemmy's swingcastle
French	Château Tremblotte de Lemmy[?]	Lemmy's Shaky Castle
German	Lemmys Pendelfestung[?]	Lemmy's Pendulum Fortress
Italian	Castello pendolante di Lemmy[?]	Lemmy's swing castle
Korean	레미의 흔들흔들 그네의 성[?] Remi-ui Heundeulheundeul Geune-ui Seong	Lemmy's Castle of Swaying Swing
Portuguese	Castelo Pendular do Lemmy[?]	Lemmy's Pendular Castle
Russian	Лемми и его замок качающихся платформ[?] Lemmi i yego zamok kachayushchikhsya platform	Lemmy and his rocking platform castle
Spanish (NOA)	El Castillo Sube y Baja de Lemmy[?]	Lemmy's Seesaw Castle
Spanish (NOE)	El Castillo Balancín de Lemmy[?]	Lemmy's Seesaw Castle

Level map