Don't use any hints to finish the game.
Complete Last Part: Guybrush Kicks Butt.
Complete Part Three: Under Monkey Island.
Escape from the Monkey Island Cannibals' hut 5 times.
Collect all of the notes and memos on Monkey Island .
Complete Part Two: The Journey
Complete Part One: The Three Trials.
Have Guybrush drown.
Learn all of the insults from the pirates.
Switch to classic mode at least once.
Use one save slot to play both endings.
Finish the entire game in under 3 hours.