Printable Expert Sudoku

Set 1n4d77n. 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
9 8
6 8 1
7 4 5
4
2 7 8
6 5 1 2
1 6
2 8 6 3
4 8 5
Expert #2
8 2
3 5 2
6 1
9 7
3 2 7
5 4 3
4 8 1
6 3 5
1 9 4
Expert #3
8 2
1 4 9
2 6 1 7
9 5 7
3 8 1 6
6
8
7 2 9 3
3 2 6
Expert #4
5 6 8
3 4 7 2 5
2 3
4 8 1
6 7 9 3 4
5 9 2
1 5 7
1 4
4
Expert #5
1 9 2 5
5 7
9 6 4
9 4 8 7
2 1 4
3
3 4 8
8
5 6 9
Expert #6
5 3
4 6 5
3
2 3 4 7
6 5 4
1 2 8 9
5 2 1
4 2 3 8
Expert #7
9 5 7 1
9 2
8 3
1 4
3 2 5 6 9
5 3
5 2
4 7 9
8 1 6
Expert #8
4 2 5
7 6
6
5 1 2
9 7
6 5 8
9 4 8
2 7 1
1 3 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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