This is the thirteenth installment of the Monthly Topic Challenges with topics suggested and voted on here. This month's topic is "Variety Slitherlinks" (suggested by sarsaparilla) and will span from the 1st of August to the 31st of August. During this period, we will compile the list of relevant questions and post it as an answer to this question.

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

Everyone have fun, and happy puzzling!

Link to other Monthly Topic Challenges.

The suggestion is copied to this post for posterity.

Variety Slitherlinks

The challenge is to create a puzzle that shows an original perspective on the basic slitherlink puzzle.

It could have:

  • slightly altered rules (why not 2 loops instead of 1?)
  • a non-standard grid (hexagonal? non-2D?)
  • show clues in a way one wouldn't expect
  • combine multiple slitherlinks in one grid
  • combine slitherlink rules with other grid-deduction puzzle types
  • hide some encrypted information that the puzzler should decode
  • any other enigmatic twist that you can think of

I've created a Slitherlink with a message before, and I like the originality of Rhombicosidodecahedron Slitherlink and 9x9 Sudoku Slitherlink Hybrid.


1 Answer 1


List of all questions published as part of the Monthly Topic Challenge #13:

The highest-voted three of these are:

The most viewed three of these are:


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