Printable Expert Sudoku

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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