Printable Expert Sudoku

Set 1gf90w1. 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
8 1
2 1
5 2 6
4 5 7
9 8
5 7 3
5 8 4 7 3
4 2 6
3 8 4
Expert #2
1 8 7 9
2 5 3
9 2 1 7
1 2
2 4
5
3 9
4 5 6
9 4 1 5
Expert #3
4
9 2
6 4 1 5 3
1 4 6
7 9
2 5 7
6 7 5 3 2
1 6 8 4
Expert #4
8
8 7 9 4 5
5 2
6 3 2 1
1 9 2
5 2 3
7 5
9 8 1 7 6
Expert #5
9 5 1 4
4 3 5 7
6
5 4 8 6 1
6
7
6 8 2 9
2 3 8
7
Expert #6
4 5 9
3 4 1 2
2 7
9 5 1 2
1 9 7
5 3
3
7 3 2
8 7 4 6
Expert #7
1 5 4
6 3
2 8 5 6
8 2 7
3 9
1 5
3 1 9
4
6 8 7 3
Expert #8
2
1 7 2 8
2 7 1
4 3 9 6
7 8 4 9
3
5 8
4
3 7 6 8

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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