by paying 5 star coins
if you captured all the rabbits they will give you a key to open that door and that door contains a star
the catle how do you get a star and sunshine
enter the 32 Star-Coin door to toggle between Mario and luigi
Go to the underground tunnel and hit that cucumber block in the water place, slide into water, keep going left until you see a switch, get on it and a door will open up, go into the door, get the star.
You have to defeat Bowser in the 80 star door on the 4th floor
When you enter it, you get a star. To enter it, you have to capture 8 glowing/shiny rabbits. After you get the star, the door contains a boo in it.
It's at the top of the flight of stairs on the second floor.
you need a certain amount of stars
i am not sure,but if you go to youtube the answer might be there.
No, that would be the door that you get a free star in for finding the secret key in Peach's Castle.
There is no star mushroom in Super Mario Galaxy 2.
Lethal Lava LandGo downstairs and open the 30 Star Door. Go into the room with shallow water and jump into the painting with the mean fiery meteor.