To get Luigi go into the backyard and punch boos. When a cage comes out go towards it and search for a Luigi painting.
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.
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.
uhilk
In the original you can play as Mario and Luigi. In New Super Mario Bros DS you can play as MArio AND LUIGI. IN NEW SUPER MARIO BROS WII ITS MARIO, LUIGI, BLUE TOAD, AND YELLOW TOAD.
You be Luigi in New super Mario bros DS by holding L + R while choosing any save file.
Link is not a character in Super Mario 64 DS. The available characters are Yoshi, Mario, Luigi, and Wario.
No you can play as Mario and Luigi.
When your on the map press the R button and you will switch between Mario and Luigi
You start out as Yoshi, then you have to earn Mario, Luigi, Wario, and even Waluluigi. Enter a door with a character symbol on it, then you will become that character.
Luigi Curcuit
Mario, Yoshi, Luigi, and Wario