Collect 120 stars
Collect 16 Stars, then it appears in the foyer.
Collect all 120 stars and go to the cannon outside. If you are playing super Mario 64 ds get all 150 stars and go to the cannon outside.
You will get one of the three stars next to your file, and you will be able to open ever star gate and buy every background.
There is currently no Super Mario Galaxy 3. If you mean Super Mario Galaxy 2 there are 242 stars.
The only thing similar is that it is 3D and you collect things in super Mario sunshine you collect shine sprites but in super Mario galaxy you collect stars so it's kind of similar
Collect fifty Power Stars.
You have to collect 60 stars to get to the final Bowser fight then defeat him. And if you want you can collect 120 stars and unlock Luigi.
Collect 120 stars
Collect 16 Stars, then it appears in the foyer.
Collect all 120 stars and go to the cannon outside. If you are playing super Mario 64 ds get all 150 stars and go to the cannon outside.
Simple! Collect all the grand stars. GOOD LUCK!
Just 3, including a green star at the Battlerock.
because in world 9 you have to get them all to pass all the levels
collect 120 stars with Mario AND Luigi, then go to the trial galaxy rock and go to the backside.
Super Mario All-Stars happened in 1993.
super Mario galaxy-you must collect a certain amount of stars to unlock some galaxies. there will be domes collect a grand star after defeating bowser or jr. in each dome to advance to the next dome. the last dome will be the final battle with bowser if you collect unoff stars for his final galaxy.once you defeat bowser you beat the game. super Mario galaxy 2-you must collect some stars to advance the Mario faceship further until you get to the bowser or jr.'s castle.In world three the final galaxy is the final battle with bowser.