There is no code to play as Marx.
no
no
No, I think with Action Replay u can. Waddle doo is playable in HELPER TO HERO.
you don't Kirby Super star ultra beats you!
Nightmare is the last boss in Kirby's Adventure for the NES and Kirby: Nighmare in Dreamland for the GBA. He does not, however, appear in Kirby Super Star Ultra.
Kirby Super Star and Kirby Super Star Ultra
In Kirby's Adventure,Kirby Super Star,Kirby Squeak Squad and in Kirby Super Star Ultra yes.
no you can not
There is no Crystal ability, at least not in Super Star Ultra.
there are none
you have to defeat then swallow the cook boss
Sorry, but there are no cheats