Fable

Relevance:
*) castle gate sound stones -- very out of place, especially given how easy the
   solution is

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Real-time:
*) stealing the candy -- very minor, quickly repeatable; almost not worth
   mentioning

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Reasonability:
There are too many incidents of sudden death to mention. There are clues of
varying subtlety for some, but you can count on dying, so save often. Otherwise:
*) appeasing the band of robbers -- the ring works, but the pearl necklace
   doesn't
*) feeding the bird -- the poison fruit doesn't bother it
*) killing the snake daemon -- that was too easy. how did these guys rule so
   long if they're so easy to kill?
*) killing the fire daemon -- with lava?! he should have been immune
*) ogre's chest -- the key is not in his pillow if you come through the well,
   only if you come through the hole: why the difference?
*) prison cell floor stone -- you can dig it out with a spoon, but not with a
   knife or spear?
*) dead end: (untested) don't pick up the knife from the dead robber, then you
   can't open the oysters, no treasure, and you're stuck undersea

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Difficulty:
*) killing the snake daemon -- it's too easy to believe
*) killing the gorgon -- that's the way to do it, avoiding her power
*) crossing the underworld bridge -- a-ha!