Flip-Swap Galaxy

Flip-Swap Galaxy is a galaxy that appears in Super Mario Galaxy 2. It is located in World 1. It is based on levels from Super Mario Galaxy and Super Mario Sunshine. Performing a Spin Jump will make the blue and red platforms flip over and swap places. Incoming Chomps also appear on the blue and red platforms, along with other enemies, like Goombas. A Star Bunny also makes an appearance here and gives out a hint.

Spin-Flip Planet
This is the only planet found in this galaxy. It is an area full of red and blue platforms. Mario has to spin to make those platforms flip over so he can complete missions and get the Power Stars. There are also a few Item Crystals.

Enemies

 * Incoming Chomps
 * Goombas
 * Octoombas

Think Before You Shake
To get this Power Star, Mario has to make it to the platform where it is located. To do so, he has to Spin to flip the red and blue platforms, avoid the Incoming Chomps and electric barriers to get to the Power Star. The player will find a Star Bunny on Starship Mario after completing this mission.

Purple Coin Flip 'n' Sprint
When Mario visits the galaxy when a Prankster Comet is in orbit, he'll find a hundred Purple Coins. If he collects all of them he'll get a Power Star.

Green Star 1
This star is found above one of the red platforms in the electric barriers area. Mario has to do a Triple Jump and Star Spin or a well timed backwards somersault and star spin to reach it.

Green Star 2
This star is found above the area where Incoming Chomps are rolling around. The player has to do a Somersault to reach it.