figue it out
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.
There are two. Mario and Luigi. You need to unlock Luigi by collecting all the stars and beating bowser again.
You can not unlock Luigi in super Mario 64 without hacks, but he is playable in super Mario 64 DS
No.
"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.
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!
Get 120 stars with Mario
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)
you can unlock luigi detective.
You can't. Nintendo MUST DIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIEEEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111111111111111!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Get all 120 stars, then beat him again. You will unlock Luigi. If you already have, then you've beaten the game.