There are no cheats.
You have to find them in there hidden places.
Press the start button.
yes (if it werent obvious, it shows him in his underwear in Mario and luigi super star saga)
luigi can use the same power-ups as Mario but in some games he can jump higher and in super Mario 64 he can flutter jump
Noo it's really old!
there's a custom one on Spriter's Resource.
Mario and Luigi Superstar Saga is a game for the Game Boy Advance. There are no cheat codes for this game.
you make Mario hit luigi luigi duck
The Hammer Bros. make it for you. They're in the same place as where you got the Super Hammer.
no
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