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Practice
4x4
6x6
Killer
X-Sudoku
📅 Daily Challenge
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Killer Sudoku
Standard Sudoku rules with cage sums.
4×4
6×6
9×9
Easy
Medium
Hard
Expert
Master
Extreme
Mistakes:
0/3
00:00
4
7
2
8
2
3
4
8
2
4
1
9
2
7
8
9
1
2
9
3
5
7
6
6
3
7
2
7
4
1
6
9
1
6
4
Mistakes:
0/3
00:00
Reset
Erase
Off
3
Hint
1
5
2
3
3
6
4
4
5
8
6
5
7
4
8
6
9
5