Link to other Fortnightly Topics.

This is the eleventh installment of the Fortnightly Topic Challenge described here, with topics suggested and voted for here. This fortnight's topic is (suggested by Alconja), and will span from June 24th – July 8th. During this period, we will compile the list of questions featuring this topic and post it as an answer to this question.

In the meantime, please go propose and vote on future challenges!

Everyone have fun, and happy puzzling!!

  • 1
    $\begingroup$ Here's the tag wiki for steganography: Hidden messages concealed in otherwise unsuspicious pictures, text, and/or audio. $\endgroup$ Commented Jul 3, 2016 at 2:36
  • $\begingroup$ @Emrakul When exactly do we start new Fortnightly challenges? Is it time for the 12th by now? $\endgroup$
    – BmyGuest
    Commented Jul 13, 2016 at 7:45
  • $\begingroup$ @BmyGuest I'm not sure! There's no set time, I think. We've just been going with "whenever someone wants to start the top-voted challenge," to this point, I think. $\endgroup$
    – user20
    Commented Jul 13, 2016 at 7:46

1 Answer 1


Questions so far are:


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