Printable Expert Sudoku

Set 12iuaru. 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
4
2 6 9 8
4 6 3 9
2 3 8 7
1 5
9
6 7 3
1 2 6
5
Expert #2
4 8 1
1 5
2 3 7
4 7 8 6
7 3 4
2
4 5 6
3 4 9 1
5 3
Expert #3
3 4 8 6
8 3 7 9
4 1 6 3
7 5 8 2
3 6
8 4
2
9 7 8
9
Expert #4
1 7 4
4 6
6 1 9
7 9 2
6 3
5 7 4 8
3
2 5
9 7 5 2
Expert #5
5 1 2 7
4
7 8
7 2
2 5 3 8
3
9 2 1 3 5
8 5 1
9 4
Expert #6
1
7 4
9 6 4 8
5 1 6 9 3
4 2
4 3
1 9 7 5 6
6 2
5
Expert #7
8 3 4 2
9 6 8
9 3 6
7 5 1 4
2 1 4 9 5
8
4 1 3 5 8
7 4
Expert #8
4 2 1
3 6
8 5
2 7 8 1
9 7 3
5 4 9
2 3
6 4 9
1 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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