Printable Expert Sudoku

Set 1x1kdow. 8 puzzles with an answer key, ready to print.

Expert puzzles are our hardest tier, with sparse grids usually in the mid-20s for givens. Expect to fill in every candidate and hunt for x-wings and swordfish. A printed copy and a sharp pencil is the classic way to tackle them.

Each free PDF has 8 puzzles, four to a page on US Letter paper, plus an answer key with every solution. Every puzzle has exactly one solution. A new set appears here every day, or you can grab a different set any time.

Puzzles in this set

Expert #1
1 7 3
4 2 5 7
5 9 3
8
7 4
9 2 5
6 4 9
7 4 8 2
1 5
Expert #2
5 7 4 2
7
6 8
8
5 8 9
1 4 5 7 6
6 3 5 2
4 1
9 8 3
Expert #3
5 2 3 7
9
6 2 9 1
5 2 4
4 5
9 1
1 8 3
7 4
6 5 9
Expert #4
6 2 1 3
7
4 7
6 8
3 8 4 2
4 9 5
5 4
2 9
1 7 8 4
Expert #5
3 9
3 2
8 2 6 1
1 4
2 6 4 7
1
5 4 9
2 1 4 8
9 6 2
Expert #6
2 1 9
6 7 3 5
3 6 8
9 4 5
5 8 7
6
4 1 3 9
5 4 6
Expert #7
6
3 8 5
6 1
2 4
4 2 9 5
1
8 5 4 3 9
4 7 8
3
Expert #8
1 4
3 8 5
1 4 8 3
9 2 1
6 1 4
7 8 5 2
9 3 7
1 2 9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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