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Slitherlink Puzzles by KrazyDad, Volume 1


Here are hundreds of free Slitherlink puzzles suitable for printing.

Slitherlink is an addictive logic puzzle that was first published by Nikoli in Japan. The puzzle consists of a grid of dots, with some clue cells containing numbers. You connect horizontally or vertically adjacent dots to form a meandering path that forms a single loop or "Slitherlink." The loop must not have any branches and must not cross itself. The clue numbers indicate how many lines surround the cell. Empty cells may be surrounded by any number of lines (from 0 to 3).

There is one unique solution, and you should be able to find it without guessing. You may find it helpful to make Xs between dots that cannot be connected.

Want to get better at solving these? Try reading my latest stategy guide: The Ins and Outs of Slitherlink.

Want to save some trees? Try my Interactive Slitherlink puzzles.

In addition to the puzzles shown here, this site carries a number of Slitherlink variants, including Variety Slitherlink, Masyu, and my favorite Area 51. Enjoy!

Easy Puzzles

Easy 7 x 7 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Easy 10 x 10 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Easy 20 x 20 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Intermediate Puzzles

Intermediate 7 x 7 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Intermediate 10 x 10 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Intermediate 20 x 20 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Tough Puzzles

Tough 7 x 7 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Tough 10 x 10 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Tough 20 x 20 puzzles
  (1-100)  (101-200)  (201-300)  (301-400)  

Click here for volume 2

Need some help? Here are some good solving tips from Wikipedia.

Slitherlink Variations

I made these variant Slitherlink puzzles with non-square grids to make them more interesting.

Variety Slitherlinks (6 different tilings per book)

Penrose Slitherlinks

Altair Slitherlinks

Laves Slitherlinks

Snowflake Slitherlinks

Honeycomb Slitherlinks

Cairo Pentagon Slitherlinks

Snub Square Slitherlinks

Rhomboid Slitherlinks


Feel free to reproduce the puzzles for personal, church, or school use. If you would like to purchase new puzzles for publication, contact me at dad@krazydad.com.


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