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Slitherlink Puzzles by KrazyDad


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.

Easy Puzzles

7 x 7 puzzles

10 x 10 puzzles

20 x 20 puzzles

More 20 x 20 puzzles (NEW!)

Intermediate Puzzles

7 x 7 puzzles

10 x 10 puzzles

20 x 20 puzzles

More 20 x 20 puzzles (NEW!)

Tough Puzzles

7 x 7 puzzles

10 x 10 puzzles

20 x 20 puzzles

More 20 x 20 puzzles (NEW!)

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

NEW: Rhomboid Slitherlinks


Special thanks to Craig Kaplan and Simon Tatham.

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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