Bowser Jr.'s Boom Bunker

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Bowser Jr.'s Boom Bunker
Bowser Jr.'s Boom Bunker.png 
Area World 5 
How to unlock Get 55 Power Stars, including the first one from Space Storm Galaxy 
Boss(es) Boomsday Machine 
Comet(s) Daredevil Comet
Green Comet 
Level(s) Bowser Jr.'s Boomsday Machine
Boomsday Machine Daredevil Run
Green Star 1
Green Star 2 
Stars Bowser Jr.'s Boomsday MachineBoomsday Machine Daredevil RunSmg2 icon greencomet.pngSmg2 icon greencomet.png 
Galaxy Icon A small castle on top of a lava lake with jumping fireballs 
More Galaxies << >>

My dad's gonna get angry if I let you get another Grand Star... Time to break out my Boomsday Machine!”
Bowser Jr., Super Mario Galaxy 2

Bowser Jr.'s Boom Bunker is a boss galaxy in Super Mario Galaxy 2, located in World 5. Here, Mario will fight Bowser Jr.'s most powerful weapon, the Boomsday Machine. The main enemies here are Boomerang Bros. and Floating Mines.

Planets[edit]

NOTE: Unless otherwise noted, all names are unofficial.

Starting Planet[edit]

Mario landing on the Starting Planet.

The starting planet of the galaxy. There is a lot of mud on this planet, as well as a few Fizzlits and a Chance Cube. When Mario lands, various parts of Megahammer that Mario fought and defeated earlier in Bowser Jr.'s Fearsome Fleet are found destroyed, including Bowser Jr.'s Robot Cockpit. A single Bullet Bill still pops out of one of Megahammer's blasters however. There is a glass cage protecting a Cannon on top of the remains of one of the robot's arms. Mario must lure the Bullet Bill over here and have it destroy the cage to access the cannon and progress to the next planet. The entire Toad Brigade is also found here.

Boomerang Bros. Planet[edit]

Mario aiming at the Boomerang Bros. Planet with a cannon.

A castle-like planet inhabited by two Boomerang Bros. There is a large target on one side. If Mario launches himself out of the cannon and hits it in the center, he will get a 1-Up. There are also several poles on this planet, and one of them has a Life Mushroom at the top. After defeating the two Boomerang Bros, a Launch Star leading to the next planet will appear.

Cannon Planet[edit]

The Cannon Planet.

This small planet has only a Checkpoint Flag and a cannon on top of it. Mario must shoot himself out of the cannon and onto another large target on the bottom of the next planet, but he must make sure not to hit one of the four Mines orbiting around the top of the planet. There is also a small electric fence extending partway around the middle of the planet.

Spinning Platforms Planet[edit]

Mario jumping from platform to platform.

After Mario hits the next target, he will find himself on a planet consisting mostly of many different colored platforms spinning around at various speeds with a Black Hole inside of it. The second set of platforms has Mines floating over them and a Comet Medal in between two more Mines. There are also a few Cloud Flowers here. Mario must use them to make his way to the top of the planet where he will Ground Pound more stone wheels to make the Launch Star appear. This will lead him to the final planet in the galaxy.

Dark Matter Planet[edit]

Mario on the Dark Matter Planet.

A large, rectangular-shaped planet with a few small platforms floating in Dark Matter. Following these, there is also a platform that tilts and moves while carrying Mario. He must move from side to side as the platform tilts back and forth and moves along so as to avoid touching the dark matter. At the end of the planet is a Checkpoint Flag and a Launch Star. This planet only appears in the Boomsday Machine Daredevil Run level, and replaces the Spinning Platforms Planet that appears in the regular level.

Boomsday Machine Planet[edit]

Mario on the Boomsday Machine Planet.

A cylindrical planet where Bowser Jr. waits in his Boomsday Machine to battle Mario. There are also multiple air vents located on the planet, which Mario must use in tandem with the Cloud Flowers found on the surface of the planet to propel himself upward where he must Ground Pound Bowser Jr.'s Boomsday Machine a total of three times to defeat it.

Missions[edit]

Level Image Summary
Bowser Jr.'s Boomsday Machine SMG2 Bowser Jr Boomsday Machine Full.png This mission's objective is to defeat Bowser Jr.'s Boomsday Machine.
Boomsday Machine Daredevil Run Dark Matter Planet.png This mission's objective is to clear the galaxy with only one health.

Green Stars[edit]

Green Star 1[edit]

Location of the first Green Star.

The player will have to break open the cage in order to get in the cannon on the Megahammer Planet. Using the cannon, the player can reach the Green Star located over the target by firing directly at it.

Enemies
Planets Visited

Green Star 2[edit]

Location of the second Green Star.

In order to get the next star, the player must jump in the cannon of the Cannon Planet. Using the cannon and aiming to the far left, the player can collect the Green Star by firing directly at it.

Enemies
Planets Visited

Music[edit]

Audio.svg Bowser Jr.'s Fiery Flotilla - Bowser Jr.'s Fiery Flotilla theme (full version). Bowser Jr.'s Fearsome Fleet and Bowser Jr.'s Boom Bunker from this game also share this music.
Bowser Jr Fiery.oga
2:18
File infoMedia:Bowser Jr Fiery.oga
Help:MediaHaving trouble playing?

Names in other languages[edit]

Language Name Meaning
Japanese クッパJr.の大砲の城
Kuppa Jr. no taihō no shiro
Bowser Jr.'s Cannon Castle
Spanish (NOA) Torreta Atronadora de Bowser Jr. Bowser Jr.'s Thundering Turret
Spanish (NOE) Torreta Atronadora de Bowsy Bowsy's Thundering Turret ("Bowsy" is Bowser Jr.'s name in Spain)
French Fort foudroyant de Bowser Jr. Bowser Jr.'s lighting fort
German Bowser Jrs. Böllerbunker Bowser Jr.'s Bang Bunker
Italian Bunker di Bowser Jr. Bowser Jr.'s Bunker
Korean 쿠파 주니어의 대포 성
Kuppa Junioreui Daepo Seong
Bowser Jr.'s Cannon Castle

Trivia[edit]

  • The backdrop of this galaxy is extremely similar to the backdrop that is present in Bowser's Galaxy Reactor behind The Pathway, as both feature a large sun that is very close to these areas.
  • It is also the only Bowser Jr. level that does not feature a large blue-and-white planet orbiting in the background.