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I found this article describing what makes a good puzzle, and it references several puzzles which, as best as I can tell, were designed for something called the CiSRA Puzzle Hunt. However, the website they link to is down, and I can't seem to find anywhere that's hosting the puzzles. The Wayback Machine works for 2009, but not most years. Does anyone know if these puzzles are still around?

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The Wayback Machine seems to work for other years -- here's the link to 2012, for instance. The site (including the archive of puzzles) seems to be completely usable to me through the Wayback Machine.

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  • $\begingroup$ Hm, you're right. I checked a few in 2018 and then went back to the largest snapshots, but I guess I missed a couple in between. $\endgroup$ – scatter Jun 10 '19 at 16:57
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Mezzacotta (the successor to CiSRA) posted the 2007-2013 CiSRA puzzles on their site a couple days ago: https://www.mezzacotta.net/puzzle/cisra/

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