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Link to other Fortnightly Topics.

This is the fourth installment of the Fortnightly Topic Challenge described here with topics suggested and voted for here. This fortnight's topic is Halloween (using the tag ), and will span from Oct. 28 - Nov. 11. 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!!

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    $\begingroup$ I'm actually surprised by how successful this has been so far :) I'll try and post my own before the end !! $\endgroup$
    – Spacemonkey
    Nov 2, 2015 at 19:29