Printable Expert Sudoku

Set 18ye3qp. 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
2 4 3
7 9
6 8
4 9 7 2
1 3 4
1
6
8 1
6 3 4 5
Expert #2
1 7
5 8
2 9 8 5
6 5 3
9 6 7
2 3
3 5 6 9
1
6 2
Expert #3
6 3 1 9
8 6
4 2
9 3 1
3 4
1 7 2
1 4 5
7
9 3 8 1
Expert #4
1 5
7 3 9
4 6
7 5 9 6
6 2 7
9 3
4
6 5 7 2 4
3
Expert #5
1 6 3 7
5
8 1 4
9
2 7 5 3
8 6 1 2
9 8 6
3 8 7
4 2 9
Expert #6
8 1 5 9
4 2
9 8
7 5
9 8 1
4 1 6
3 4
3 7 8
5 1
Expert #7
7 5
9 2 5 3
6 3 9
5 4
7 6
4 6 2
9 7
4 3 1
1 8 2
Expert #8
9 4 5
7 1 8
1 3 7
3 4 2
7 8
6 2 9
6 4 1
5
8 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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