Printable Expert Sudoku

Set 1nkain7. 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
3 6
7 9 8
2 3
3 7 5
4 5 1
8
6 3 9 2
9 7 3 4
2
Expert #2
1 9 3 7
9 7 5
5 3
6 2 3 4
8 1 9 5
4
5 8 4
2
1 2 6 4
Expert #3
4 3 5 7
1 6 7 9
2 8
4 5
6 5 2 1
9 8
5 7
6 9 4
8 9 1
Expert #4
3 7 4 9
9 1 5
3
2
7 4 5 1 3
2 5
8 3 1
5
5 6 8 1 2
Expert #5
1 8
5 1
9 4 6 3
6 2 9 5
2 4
8 7
1 3 7
7 9
7 6
Expert #6
4 6
2 9
6 1 3
5 2 6 7 8
8 7 4
4 1
7
1 3
9 3 4 8 6
Expert #7
8 7 1
7 5
5 4 3 8
9 3
3 4 1 7
2
8
2 1 4
6 3 2 7
Expert #8
3 4
8 1 6 5
6 3 8 7
5 4
7 8 3
3 2
9 6 5
6 1
8 2 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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