> Where's the Unobtainium key?
InvisiClues for this question (move your mouse over the black-on-black text one line at a time):? The unobtainium key is unobtainable.
? But if you really want it, you must...
? The following text was translated into gibberish: Blblblbl blll blblb blll blbl lbl.
? Was that comprehensible enough for you?