No.
Get 120 stars with Mario
figue it out
If you get 120 stars then you can play with luigi. And then you need to find the 120 stars again but then with luigi!
Yes, Luigi is playable in Super Mario Galaxy. You unlock him after getting all 120 stars as Mario.
no if you can get all this stars then you can play as luigi but not shadow Mario
collect 120 stars with Mario AND Luigi, then go to the trial galaxy rock and go to the backside.
Get 60 stars to beat the game. Get all 120 stars to be able to beat the game again as Luigi. Get all 120 stars again as Luigi to unlock Grand Finale Galaxy for Mario and Luigi making 121 stars for both profiles (a whopping 242 total)
There are two. Mario and Luigi. You need to unlock Luigi by collecting all the stars and beating bowser again.
First, get 120 stars with Mario. Then, do it again with Luigi. After this, the Grand Finale Galaxy will open on the Trial Galaxies planet.
No, but you can play as Luigi, when you get 120 stars
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!