Sudoku
Reveal numbers
New game
Show hint
Beginner
Moderate
Hard
Expert
Goal of the game
1. No duplicates of the numbers 1-9 horizontally.
2. No duplicates of the numbers 1-9 vertically
3. 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