Bowser Jr.'s Fearsome Fleet

Bowser Jr.'s Fearsome Fleet is the last galaxy of World 3 in Super Mario Galaxy 2. Mario fights Megahammer here, a new boss in the game operated by Bowser Jr. in a stage. Hammer Bros. can be found in the pre-boss area. Also, Yoshi can be found in this galaxy as well, considering that he is needed to defeat the mechanical giant.

First Platform Planet
There are a few enemies in this metallic planet, and two Bullet Bill blasters in the walls. At the end of the planet is a crystal Mario must break by making Yoshi eat Bullet Bills, and a big platform that takes Mario through some enemies that shoot more Bullet Bills at him.

Second Platform Planet
There is a Hammer Bro. in this planet, along with several Bullet Bill Blasters. After getting on a platform, Mario and Yoshi will have to avoid obstacles such as airships and Bullet Bills. The Comet Medal can be found on the second airship.

Megahammer Planet
This is the planet where Mario battles Megahammer. It is shaped like a ring with a few Sling Stars and some black and yellow segments that fall off after Megahammer smashes its hammers against the planet.

Bowser Jr.'s Mighty Megahammer
First you land on the First Platform Planet where there's two Bowser Jr. stateus. Then you find some Fizzlit and Bullet Bills. At the right of the planet, there is a Yoshi Egg that you jump on it to unlock Yoshi. Yoshi must eat a Bullet Bill and spit it out to the giant crystal. Then theres two Fizzlits and a lever. Pull the lever with Yoshi's tongue and the platform will start on. On the moving platfom, you must avoid some Mine and Bullet Bills. When you get to another platform pull the lever and another moving platform will start again. Grab a Bullet Bill and aim to the giant crystal and shoot. When it's broken, quickly go to the Sling Star and you will land on the Second Platform Planet. In that planet there's a Chekpoint. Avoid the Bullet Bills then head to the Flower Grapples. Grab a Bullet Bill, while avoiding the Hammer Bro's attacks. Hit the crystal and pull the lever to activate the Moving Platform. Two Airships will appear from a portal or black hole. On the second airship there is a Comet Medal. Infront of the airship there is a Giant Crystal. You must grab a Bullet Bill and spit it out to the Giant Crystal. There is a Checkpoint and a Launch Star that will launch you to Megahammer's Planet.

Bowser Jr. will appear in Megahammer's head, saying if Mario dosen't give up. Then he will fight Megahammer. When Mario and Yoshi receive the Grand Star, they go flying back to Starship Mario. Then the portal to World 4 will open.

Megahammer's Daredevil Bash
The player will land on the Megahammer Planet. Then he or she will have to fight Megahammer with only one life. The player will have to use Yoshi to defeat the hammering monster once again.

Green Star 1
The first Green Star is located just behind the rightmost Bullet Bill Blaster while riding the 2nd platform on the First Platform Planet. The player must use Yoshi to grab the bullet and destroy the Bullet Bill Blaster to be able to safely grab the star.


 * Enemies
 * Bullet Bills
 * Fizzlits
 * Mines
 * Planets Visited
 * First Platform Planet

Green Star 2
The last Green Star is positioned at the Second Platform Planet. The player must guide Mario to the front of the second airship and carefully maneuver him on the front plank, and jump off of it onto the star.


 * Enemies
 * Bullet Bills
 * Fizzlits
 * Mines
 * Hammer Bros.
 * Planet Visited
 * First Platform Planet
 * Second Platform Planet

Trivia

 * This is the only Galaxy where Yoshi can be in the Grand Star victory pose.