Sudoku
Reveal numbers
New game
Help me!
Show hint
Beginner
Moderate
Hard
Expert
Goal of the game
No duplicates of the numbers 1-9 horizontally.
No duplicates of the numbers 1-9 vertically
No duplicates of the numbers 1-9 in the 3x3 cell groups
Click on a cell and use your keyboard to type in the numbers
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