Invincibility codes

TitleRAWGame GenieAction ReplayAuthorNoteDemo
Invincibility (mostly)AEKKKVZA
ASSGXTEY
terpsfan101
Invincibility against Pits and Lava (Hold B to Jump Higher)KZOZTGAE
NGOXAKSV
ALOXPGAZ
GAOXZKGN
AVEZIOSA
terpsfan101Port of nolberto82's code from Super Mario All-Stars.

Jump / Flying / Walking codes

TitleRAWGame GenieAction ReplayAuthorNoteDemo
Multi-JumpAAKZEKIInolberto82

Misc.

TitleRAWGame GenieAction ReplayAuthorNoteDemo
Easy PipesPYKGGTOU
PYKGITXU
nolberto82Easy to remember what pipes you can enter. Pipes you can't enter have wooden blocks at the top of it. Vertical pipes.

Weapon / Projectile codes

TitleRAWGame GenieAction ReplayAuthorNoteDemo
Always Shoot FireballsGZKXYZEInolberto82Except Sledgehammer