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Super Mario Galaxy 2 has 242 stars in the game, just like the prequel. However, the green stars only appear after you get 120 stars.Green stars appear in every galaxy (except Grandmaster Galaxy). Usually there are 2-3 green stars in a galaxy. Now the objective is to find the hidden stars in the galaxy, which can prove quite challenging.After getting all the green stars, you end up with 240 stars, which will unlock the final galaxy: the aforementioned Grandmaster Galaxy. There are 2 stars in the galaxy, which will bring the total to a satisfying 242.So in summary, you can only get the green stars after having 120 stars.I hope that helped!- Ryanthelion
When you get 120 stars you see a green comet and scatters 120 green stars
Yes, Luigi is playable in Super Mario Galaxy. You unlock him after getting all 120 stars as Mario.
To unlock ghostly galaxy you must unlock the kitchen. The kitchen is unlocked once you get the grand star from the fountain, the first galaxy to unlock at the kitchen is the beach bowl galaxy after unlocked a certain amount of stars you will unlock ghostly galaxy.
figue it out
122 power stars and 120 green stars.
Bowser
120.
First, you must defeat Bowser to unlock the Special World. Second: You must collect all yellow Stars. Third: You must collect all green Stars. Fourth: You must defeat all Comet Missions. After all of these requirements are met, the Grandmaster Galaxy will open.
If you beat every mission, it will give you all the stars, of course. Remember, after you get all 120 stars as Mario, you unlock Luigi. After getting all 120 stars as Luigi, you unlock a bonus star for Mario and Luigi, giving you a grand total of 242 stars to shoot for!
There are two. Mario and Luigi. You need to unlock Luigi by collecting all the stars and beating bowser again.
To get green stars, you go through each level and look for green stars. You can also listen for the star "sound."