It can be activated at any time and for it to take effect you only need to change the scene (e.g. By enabling this mode in your walkthough, you can unlock the achievement during Part I, as extra characters will be spawned on Mêlée Island. Note: The 'Writer's Cut' option in the main menu adds extra dialogue and sometimes extra characters.

The lines usually refer to Guybrush bragging about going on an adventure to discover the Secret of the Monkey Island, but some times the line are 'hidden' after some other dialogue options related to the expedition. This achievement is HIGHLY MISSABLE, as you will need to select specific dialogue lines some of the lines will disappear if other lines are selected before them and they will be lost unless you reload a save and interact with that character again.

In order to unlock the achievement you will need to interact with 15 different characters throughout different parts of the story. You will be able to unlock it during the 'Part IV - Things Get Complicated' part of the story, if you haven't activated the 'Writer's Cut' option in the main menu. This achievement can be STARTED during the 'Part I - A Friendly Place' part of the story, while you are playing as Guybrush. Told Everyone On Mêlée Island That You Are Looking For The Secret

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