Now begins our 21st topic challenge!


Dates: 25 Nov - 7 Dec

Proposed by:

There's a whole 'nother world underneath the oceans. Mermaids and mermen are the typical citizens, in Earth lore, but they're not the only ones there. I can see some creative civilizations and creatures coming out of a topic challenge focused on this.

Remember to use this tag if you're asking a question as part of the challenge.

In two weeks, we'll announce the stats for users who asked and answered questions using the tag. If you have questions, see the original post or ask in chat.

Propose new topics here: What should be the subjects of our fortnightly topic challenges?

  • $\begingroup$ I just realised that no one changed it... $\endgroup$ Nov 25, 2015 at 15:17
  • $\begingroup$ Would the "world underneath the oceans" be the crust/mantle/core? Or are we expecting high-magic environments where the oceans float? $\endgroup$
    – Frostfyre
    Nov 28, 2015 at 18:13
  • 1
    $\begingroup$ Bahaha...I just glanced at the featured box and thought it said "underwear," I spent the whole time in the shower trying to think if I had any questions or expertise for answers on underwear. $\endgroup$
    – Mikey
    Nov 28, 2015 at 22:08

1 Answer 1


This challenge generated 25 questions and 80 answers, for an average of 3.20 answers per question. A total of 4490 reputation was handed out as a result of this challenge.



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