Puzzle Plank Galaxy

Puzzle Plank Galaxy is a galaxy in Super Mario Galaxy 2. The galaxy features wooden planks floating in a blue sky, that Mario can stand on them as platforms. However, some sections of these platforms are cutted by Grinders that eventually remove a part of the plank that falls to the void. If the plumber stays on these platforms, he would lose a life, falling to the void. Some enemies such as Goombas and Mandibugs can be found here as well as the prominent appearance of the Grinders.

Starting Planet
The starting planet doesn't have enemies on it. It only has a Hint TV. Mario has to ground pound the star mark in middle to fall into the next planet.

Four Switches Planet
This planet has four switches and two Wigglers. If Mario activates the upper-left switch, several Music Notes will appear in the area, if Mario collects all of them, he'll get three Life Mushrooms. if the upper-right switch is pounded, Mario can get some coins. If he pounds the bottom-left switch, he'll get Star Bits. And finally, if he pounds the bottom-right switch, a Launch Star will appear.

Three Pillars Planet
This planet has three pillars on it, they're pounded to the other side of it. Mario has to pound them again so he can access the Launch Star by using them. There is also a Hungry Luma who wants 70 coins and a green Warp Pipe that leads into a room with a ? Coin.

Wood Planet
This planet is made of wood, it is full of Grinders that cut the platforms. The Comet Medal is located on a wood platform, Mario must hurry and get it before the Grinders cuts it and make it fall.

Luma Shop Planet
After using the Launch Star from the Wood Planet, Mario ends up on this one there is a Luma Shop and a Checkpoint Flag on it.

Mandibug Puzzle Planet
This Planet is a picture block puzzle, Mario has to solve the puzzle and get the full Mandibug Picture.

The Puzzling Picture Block
To get the Power Star, Mario has to make his way to the Mandibug Puzzle Planet. To do so, he has to ground pound the star mark on the starting planet to make the platform fall into the planet bellow. Then, he has to activate the bottom-right switch to make the Launch Star appear. After using it, he'll find himself on a grassy planet. This planet has three pillars, they can be found in the other side of the planet, the plumber has to pound all of them to make them rise in the other side. After getting back to the first area, the Launch Star can be used.

After the Launch Star blasts Mario to the next planet, he has to make his way up to the next one. When using it, he'll get to a small wood planet with another Launch Star. After using it, he'll get to the final planet. Here, he has to ground pound the picture's blocks to make the full picture of a Mandibug. When done so, the pictured enemy will appear with a small version of him on his back. After Mario defeats them, he'll get a Power Star.