hu·mor ( P ) Pronunciation Key (hymr)
n.
1. The quality that makes something laughable or amusing; funniness: could not see the humor of the situation.
2. That which is intended to induce laughter or amusement: a writer skilled at crafting humor.
3. The ability to perceive, enjoy, or express what is amusing, comical, incongruous, or absurd. See Synonyms at wit1.
joke ( P ) Pronunciation Key (jk)
n.
1. Something said or done to evoke laughter or amusement, especially an amusing story with a punch line.
3. An amusing or ludicrous incident or situation.
4. Informal.
1. Something not to be taken seriously; a triviality: The accident was no joke.
2. An object of amusement or laughter; a laughingstock: His loud tie was the joke of the office.
fa·ce·tious ( P ) Pronunciation Key (f-sshs)
adj.
Playfully jocular; humorous: facetious remarks.
I hope that clears things up a bit. Personally, I say we go with Wolfenstein 3D, as it already has Iron sights.