These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
CONGRATULATIONS! YOU HAVE JUST VANQUISHED A DRAGON WITH YOUR BARE HANDS!
Memetic Mutation: "Xyzzy", a magic word used to teleport to and from a certain room early in the cave. It has become a meme in Interactive Fiction circles, to the point that developers tend to program responses to it in their games.