Bowser Jr.'s Fearsome Fleet

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Bowser Jr.'s Fearsome Fleet
Bowser Jrs Fearsome Fleet.png
Area World 3
How to unlock Get 28 Power Stars and defeat Bowser in Bowser's Lava Lair
Boss(es) Megahammer
Comet(s) Daredevil Comet
Green Comet
Mission(s) Bowser Jr.'s Mighty Megahammer
Megahammer's Daredevil Bash
Green Star 1
Green Star 2
Stars Grand Star icon in Super Mario Galaxy 2.Prankster Comet icon in Super Mario Galaxy 2.Cosmic Jewel icon in Super Mario Galaxy 2.Cosmic Jewel icon in Super Mario Galaxy 2.
Galaxy icon A fortress on top of a lava lake with jumping fireballs
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“Don't you know when to quit?! I'm gonna enjoy taking you out from the cozy confines of my robot cockpit! So you want a Grand Star, do ya? Well, come on, tough guy! Let's see if you're any match for Megahammer!”
Bowser Jr., Super Mario Galaxy 2

Bowser Jr.'s Fearsome Fleet is the last galaxy of World 3 from Super Mario Galaxy 2. Mario fights Megahammer, operated by Bowser Jr. here. Hammer Bros. can be found in the pre-boss area. Yoshi is also found in this galaxy and is essential to defeat Megahammer.


NOTE: Unless otherwise noted, all names are unofficial.

Starting Planet[edit]

Mario on the Starting Planet.

There are a few Fizzlits in this metallic planet, and two Bullet Bill blasters in the walls. There are some yellow platforms that disappear after a set amount of time. At the end of the planet, there is a glass sphere the player must break by making Yoshi eat Bullet Bills and spit them back out towards them. There will be a yellow and white platform, which the player will ride through the Gunner Path.

Gunner Path[edit]

Mario on the Gunner Path.

This path is filled with Undergrunt Gunners and Space Mines. At the end of the path, the player will need to defeat the Fizzlits and flip the switch to continue. The player will need to also use a Bullet Bill to break the glass sphere blocking the exit.

Bullet Bill Planet[edit]

Mario approaching the Bullet Bill Planet.

There is a Hammer Bro on this planet, along with several Bill Blasters. The player will have to break the glass dome covering the lever so they can progress.


SMG2 Fearsome Fleet Airships.png
Mario on an airship.
A screenshot of Mario and Yoshi fighting a Hammer Bro on an airship in Bowser Jr.'s Fearsome Fleet.
Mario encounters a Hammer Bro.

This path is much shorter than the Gunner Path. There are a few Space Mines scattered along the path. During the player's travels, two Airships will appear, one with a ? Block and the other with a Hammer Bro and a Comet Medal. The player will need to shatter the glass sphere at the end of the path to progress.

Megahammer Planet[edit]

Mario and Yoshi approaching the Megahammer Planet.

This is the planet where the player battles Megahammer. It is shaped like a green and white ring with a few Sling Stars and some black and yellow segments that fall off after Megahammer smashes its hammers against the planet or shoots a Banzai Bill at it. There are also some Star Bits around the top of Megahammer. There is a huge black hole in the center of the planet; however, Megahammer is not affected by it.



Mission Image Summary

Bowser Jr.'s Mighty Megahammer MegaHammerBattle.png This mission's objective is to complete the course and defeat Megahammer.
Megahammer's Daredevil Bash SMG2 Fearsome Fleet Megahammer Daredevil Run.png This mission's objective is to defeat Megahammer once more, this time with only one health section due to the effects of the Daredevil Comet.

Green Stars[edit]

Green Star 1[edit]

Mario about to get the first Green Star.

The player will redo the Bowser Jr.'s Mighty Megahammer mission. The first Green Star is located just behind the rightmost Undergrunt Gunner while riding the platform on the Gunner Planet. The player must use Yoshi to grab the Bullet Bill and destroy the Gunner to be able to safely grab the star.

Planet Visited

Green Star 2[edit]

Luigi about to get the second Green Star.

The player will redo the Bowser Jr.'s Mighty Megahammer mission. The last Green Star is positioned on the Airships. The player must jump on to the second airship, the one with the Hammer Bro and the Comet Medal, and carefully maneuver on the front plank, and jump off it on to the Star.

Planet Visited


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

Prima Official Game Guide description[edit]

  • "Bowser Jr. holds the next Grand Star. The Koopa King's off spring has a mighty pirate fleet he unleashes to slow you down, but with Yoshi at your side, you'll survive the ships. The massive robot Bowser Jr. is powering with the Grand Star is the toughest challenge yet, so be sure to seek out a Life Mushroom so you meet Megahammer prepared for battle."

Names in other languages[edit]

Language Name Meaning
Japanese クッパJr.の戦艦の港
Kuppa Junia no Senkan no Minato
Bowser Jr.'s Battleship Harbor

Chinese 庫巴Jr.軍港
Kùbā Jr. Jūngǎng
Bowser Jr. Naval Port

French (NOE) Base interstellaire de Bowser Jr.
Bowser Jr.'s interstellar base
German Bowser Jrs. Angstarmada
Bowser Jr.'s Fearsome Armada
Italian Flotta Navale di Bowser Jr.
Bowser Jr.'s Naval Fleet
Korean 쿠파주니어의 전함 항구
Kupajunieo-ui Jeonham Hanggu
Bowser Jr.'s Battleship Harbor

Spanish (NOA) Flota Flotante de Bowser Jr.
Bowser Jr.'s Floating Fleet
Spanish (NOE) Flota Flotante de Bowsy
Bowsy's Floating Fleet (Bowsy being Bowser Jr.'s Spanish name).