To get Luigi in Super Mario you must press the L and R button at the same time keep pressing them then find a game you can stop pressing them when you hear a voice saying "Luigi."
You can not unlock Luigi in super Mario 64 without hacks, but he is playable in super Mario 64 DS
you can unlock luigi detective.
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.
You will "find" him after chapter 6.
If you are talking about Super Mario 64 for Nintendo ds The answer is yes. If you beat alot of levels (i forgot which level) you can unlock luigi but it takes practice. You can unlock wario too.
You don't unlock him, he's already a playable charecter, you just select him on the chareter list, there's: mario, luigi, toad, and princess toadstool (she's called that before super mario 64).
To get Luigi go into the backyard and punch boos. When a cage comes out go towards it and search for a Luigi painting.
One way to unlock Luigi in Super Smash Flash is to clear Adventure Mode with Mario on Normal Difficulty or higher. Another way could be hacking.
NO YOU CANT BUT YOU CAN UNLOCK LUIGI GET LL 120 STARS
goto find him in -1(7-1)
figue it out