This question is part of the best-puzzle award series.

What are your nominations for the best puzzles, here on Puzzling.SE, of the third quarter (July / August / September) 2017?

Suggested guidelines for nomination:

  • Nominate each individual puzzle in a separate answer, so they can be upvoted/downvoted separately.

  • No more than 3 nominations per person.

  • Don't nominate your own puzzles.

  • Before you nominate a puzzle, check to see if someone else has already nominated it. If they have, then add to that nomination as a comment (or edit it) instead of nominating the same puzzle again.

  • In your nomination, explain what it is that (in your opinion) makes the nominated puzzle such a good one.

Some lists to help jog your memory (your nomination doesn't have to be from these lists):

Meta-meta issues:

  • Is this kind of thing allowed on SE?

  • What's the point?

    • To highlight and encourage good practice in a way that goes beyond upvotes.

    • To work towards building a 'hall of fame' of some of the best puzzles on the site (perhaps to reside on a future puzzling.SE blog) - think of it as our 'greatest hits album'.

    • To prompt members to put forward their own reflections on what makes a high-quality puzzle.


2 Answers 2


A puzzle in 140 characters by stacksfiller

This puzzle ticks all the boxes that a good multipart/meta puzzle should:

  • Individually interesting sub-parts - in this puzzle there are many micro-puzzles, which whilst incredibly compact are still intriguing and satisfying in their own right
  • Partial self-validation - each part resolves to a simple, short English word, making it fairly clear that you've reached the correct partial answer, and can help get you across the line when you're only 90% sure on something (no magic numbers or imgur urls), similarly the meta helps to back fill sub-puzzles if you get stuck on one or two of them
  • Coherency when bringing the parts together for the final solution - the final meta puzzle is very well constructed here, with a set of sub-parts that all use the same method to extract specific pairs of letters to produce the solution, which would most definitely not have been an easy task
  • A theme that somehow ties things together - the presentation here is not just a gimmick, but ties directly to the solution, which is not only amusing and clever, but provides a satisfying sense of conclusion

And all this crammed into a single 140 character sequence! Fantastically thought out and polished puzzle, whose size belies the amount of design time that clearly went into it.

(and it's score is only just short of 140, so go up vote if you haven't already)

...we did it PSE! Now stop voting. (but don't really)(but really do)

  • 2
    $\begingroup$ Shame on me. This post made me aware that I haven't been watching PuzzlingSE for a whole quarter now! I really hope more things get "hand-picked" here. Oh, and people doing that should possible revisit Q2 as well. Only 1 entry for 3 months ? I'm sure we had more HQ stuff. Maybe people don't visit META that offen anymore? $\endgroup$
    – BmyGuest
    Commented Oct 21, 2017 at 7:41

More Nodes & Tunnels - The Tower by BreakingMyself

What is not to like at a puzzle like this?

  • The task is clear and challenging but doable for beginners
  • Visuals are clean and nice

If you like mazes, give it a try!


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