One life down the drain less than a minute into the game.
My first launch of this hellish incarnation not only made Mario entirely invisible but made it so that he could not open doors coupled with continuous health lose. The sheer number of random effects that can occur during gameplay ensures that the player will be exposed to bouts of laughter and frustration as at times the hack feels like it is plotting against you.
Alternate costume for Mario: Shadow Mario, along with some neat texture swaps.