
✓ Game is totally FREE. ✓ Daily Challenge ✓ Four levels (easy, medium, hard, and expert) ✓ Store Notes to track possible numbers ✓ Hint (fill in missing number when you are stuck) ✓ You can play it everywhere.
The rules for sudoku are simple. A 9×9 square must be filled in with numbers from 1-9 with no repeated numbers in each line, horizontally or vertically. To challenge you more, there are 3×3 squares marked out in the grid, and each of these squares can’t have any repeat numbers either.