All codes (except as noted) work for Luigi as well as Mario.
SLXPLOVS Infinite lives for Mario and Luigi
AEKPTZGA 1 life for Mario and Luigi after continue
AEKPTZGE 9 lives for Mario and Luigi after continue
ELKZYVEK Power Jumps
EZKZYVEK Super Power Jumps
EAKZYVEK Mega Power Jumps
GZUXNGEI Multi-Jumps
With the next code, if you let MArio or Luigi drop too long,
you can't sky walk until you touch the ground again
SXEZSKOZ Skywalker
OXKZELSX Super speed running
XVUXNUEE Turbocharged running
You must be Raccoon Mario for the next code to work
AANZKLLA Can raise power meter while standing still so that you can fly from
a standing start
PEUZUGAA Start on World 2
ZEUZUGAA Start on World 3
LEUZUGAA Start on World 4
GEUZUGAA Start on World 5
IEUZUGAA Start on World 6
TEUZUGAA Start on World 7
YEUZUGAA Start on World 8
YPXXLVGE Mario (not Luigi) can re-use items again and again
SZUEXNSO Restore powers after playing an action scene (e.g. if you were "Fire
Mario" on the map screen, then entered an action scene, died or changed to "Frog
Mario,"you would return to the map scene as "Fire Mario")
ZEUXKGAA Start the game as Fire Mario
LEUXKGAA Start the game as Raccoon Mario
GEUXKGAA Start the game as Frog Mario
IEUXKGAA Start the game as Tanooki Mario
TEUXKGAA Start the game as 'Sledgehammer' Mario!
If you use any of the next five codes to defeat Bowser, stand in front of the door
and hold "Up". as soon as the door opens, you will pass through into the chamber
where the Princess is held. If you don't do this, you may get caught in Bowser's
time trap and the game will pause forever!
XUKXGLIE Start and stay as Super Mario
UXKXGLIA Start and stay as Fire Mario
NXKXGLIE Start and stay as Raccoon Mario
OUKXGLIE Start and stay as Frog Mario
XNKXGLIE Start and stay as Sledgehammer Mario
SZKIKXSE Invincibility after changing up from Super Mario (e.g. to Raccoon, Frog, etc.)
With all of the following codes, you will find that you change into Super Mario
if you die again:
AEOSSZPA + PAOZTGAA Change to Super Mario if you fall off screen and die
AEOSSZPA + ZAOZTGAA Change to Fire Mario if you fall off screen and die
AEOSSZPA + LAOZTGAA Change to Raccoon Mario if you fall off screen and die
AEOSSZPA + GAOZTGAA Change to Frog Mario if you fall off screen and die
AEOSSZPA + IAOZTGAA Change to Tanooki Mario if you fall off screen and die
AEOSSZPA + TAOZTGAA Change to Sledgehammer Mario if you fall off screen and die