Collect all 120 stars and then talk to Rosalina. She will send you to Bowser's Galaxy Reactor. Defeat Bowser, and you will unlock the option to play the game again as Luigi.
Repeat this process with Luigi to unlock the final galaxy for Mario and Luigi.
Super Luigi Galaxy isn't a real game but in both Super Mario Galaxy and Super Mario Galaxy 2 you can unlock Luigi and play him.
Yes, Luigi is playable in Super Mario Galaxy. You unlock him after getting all 120 stars as Mario.
The Characters starred in Super Mario Galaxy 2, are the same in Super Mario: Mario Luigi, Peach, Toad, and the other character that will star in the game, Yoshi.
no but u get to see him
"Super Luigi Galaxy" is not a game you can buy at the store. But, you can buy Super Mario Galaxy and unlock Luigi. To unlock Luigi on Super Mario Galaxy, you need to get all 120 stars. Then, you can play Super Mario Galaxy as Luigi.
Yes, You can play as Luigi in Super Mario Galaxy 1 & 2. In Super Mario Galaxy 1, however, you need to really want him. He'll only be playable after collecting 120 stars with Mario (Double what's needed to beat the game).
No, there is no such game as "Super Luigi Galaxy," period. That's just a nickname for when you play Super Mario Galaxy, for the Wii, as Luigi.
(The hey is wrong with you?) No, you cannot kill Luigi in Super Mario galaxy. (He's too precious)
once you have completed the game as Mario and beaten bowser at least twice go on the menu then press the switch that has the Mario and luigi heads on it and you will become LUIGI
Wario is not in mario galaxy 2 but luigi is.
No you can't play as Princess Daisy in Super Mario Galaxy, but you can play as Rosalina & Luigi.
They didnt want to prejudice against the other twin ;)