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10x10 Slitherlink Puzzles

The 10x10 slitherlink is the biggest of the three slitherlink sizes: 121 dots around a hundred squares, and a single loop that winds from edge to edge. Several pieces of loop grow at once, and each region of the grid settles before it joins the rest.

Easy, Medium and Hard grids are offered, and each hides exactly one loop. The dots stay large on the page, so the drawing remains clear from the first stroke to the last.

Part of the Slitherlink Puzzles collection, Last updated on Thu, 29 Oct 2026 13:20:24 GMT.

Free Printables

Easy 10x10 Slitherlink Puzzle (N1)

Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 1.
Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 1. | zuzuzi.com

Easy 10x10 Slitherlink Puzzle (N2)

Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 2.
Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 2. | zuzuzi.com

Easy 10x10 Slitherlink Puzzle (N3)

Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 3.
Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 3. | zuzuzi.com

Easy 10x10 Slitherlink Puzzle (N4)

Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 4.
Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 4. | zuzuzi.com

Easy 10x10 Slitherlink Puzzle (N5)

Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 5.
Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 5. | zuzuzi.com

Easy 10x10 Slitherlink Puzzle (N6)

Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 6.
Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 6. | zuzuzi.com

Easy 10x10 Slitherlink Puzzle (N7)

Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 7.
Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 7. | zuzuzi.com

Easy 10x10 Slitherlink Puzzle (N8)

Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 8.
Easy 10x10 slitherlink, with numbers that count their way to the loop, one large grid on the page. Level: Easy. Variant 8. | zuzuzi.com

Medium 10x10 Slitherlink Puzzle (N1)

Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 1.
Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 1. | zuzuzi.com

Medium 10x10 Slitherlink Puzzle (N2)

Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 2.
Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 2. | zuzuzi.com

Medium 10x10 Slitherlink Puzzle (N3)

Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 3.
Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 3. | zuzuzi.com

Medium 10x10 Slitherlink Puzzle (N4)

Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 4.
Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 4. | zuzuzi.com

Medium 10x10 Slitherlink Puzzle (N5)

Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 5.
Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 5. | zuzuzi.com

Medium 10x10 Slitherlink Puzzle (N6)

Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 6.
Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 6. | zuzuzi.com

Medium 10x10 Slitherlink Puzzle (N7)

Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 7.
Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 7. | zuzuzi.com

Medium 10x10 Slitherlink Puzzle (N8)

Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 8.
Medium 10x10 slitherlink, where each number is read with its four corners, one large grid on the page. Level: Medium. Variant 8. | zuzuzi.com

Hard 10x10 Slitherlink Puzzle (N1)

Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 1.
Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 1. | zuzuzi.com

Hard 10x10 Slitherlink Puzzle (N2)

Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 2.
Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 2. | zuzuzi.com

Hard 10x10 Slitherlink Puzzle (N3)

Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 3.
Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 3. | zuzuzi.com

Hard 10x10 Slitherlink Puzzle (N4)

Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 4.
Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 4. | zuzuzi.com

Hard 10x10 Slitherlink Puzzle (N5)

Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 5.
Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 5. | zuzuzi.com

Hard 10x10 Slitherlink Puzzle (N6)

Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 6.
Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 6. | zuzuzi.com

Hard 10x10 Slitherlink Puzzle (N7)

Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 7.
Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 7. | zuzuzi.com

Hard 10x10 Slitherlink Puzzle (N8)

Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 8.
Hard 10x10 slitherlink, where a line sometimes has to be tried in your head, one large grid on the page. Level: Hard. Variant 8. | zuzuzi.com

Working Across a Large Grid

Start with the 0s and 3s all over the grid, then work outward from each group of lines. On a large grid, several pieces of loop grow at once; keep checking that each dot ends with two lines or none.

Hard Grids and Trial Lines

At Hard, some sides need a trial: draw a line lightly, follow its consequences, and if a number is exceeded or a small loop closes, erase it and cross the side out instead.

After the 7x7 Grids

The 10x10 grids suit solvers who finish the 7x7 grids easily. They print one per page only, so that the dots and lines stay large.

Frequently Asked Questions

Can I print 10x10 slitherlink grids four to a page?

No. A hundred squares on a quarter of a sheet would bring the dots too close together to draw between them, so this size prints one grid per page.

Does every grid have a single loop?

Yes. Before a grid is kept, a solver works through it with the reasoning of its level and confirms that exactly one loop satisfies all its numbers.