this guide is for the luigi% witch its easy.

RULES:

so the timer starts when you click "New Game (play)" and finishes when the sound of luigi falls on water is playing.

GUIDE:

when you click "New Game (play)" look down and move mario to the door. then when you enter the castle go to the left door close to the staircase and go foward till the door witch leads to outside. now its simple like u jump into the water and luigi will fall. when the spash sound of luigi falling into the water its played the timer ends and the speedrun is done.

happy speedruning!