Hmm... Perhaps green doors detect an ultra-high pitched that all required monsters constantly emit. Perhaps this high pitched sound (too high for any Abovegrounder or Beneather to hear) is the reason why people call some monsters 'required' and some monsters 'unrequired'. It's simply how a green door reacts to the sounds of various monsters.
Blue doors are
much better at detecting this tone. Therefore, they can 'listen' to the high pitched sound monsters make across rooms. Although, because this detection tool isn't always reliable (it's always reliable in the game, but not always in lore and story), architects have gotten used to adding green doors to every room with monsters that emit the high pitched sound. Green doors communicate their status via constant radio signals to the blue door, which appropriately deems the status of green doors and, subsequently, conquering of a level in general.
Unrequired rooms emit a counter signal strong enough to oppose the high pitched sound monsters make but not too strong to prevent any green doors in that room from 'hearing' the monsters.
Strange theory, yah?
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[Last edited by 12th Archivist at 08-05-2010 10:47 PM]
Please, explain this.
