Play Sudoku!
Rules of Sudoku:
- ⦿ The Sudoku grid consists of 9 rows, 9 columns, and 9 3x3 subgrids.
- ⦿ Each row, column and 3x3 subgrid must contain the digits 1 through 9 without repetition.
- ⦿ Cells flagged red are repeated numbers - they must be changed!
- ⦿ Some cells are pre-filled, and these numbers cannot be changed.
- ⦿ Note: there may be more than one solution.
- ⦿ Use logic and deduction to fill in the remaining cells correctly.
Game Controls:
- ⦿
or mouse controls to select cell
- ⦿ Input numbers using numeric keys
, up/down arrow keys 
, or the up/down clickable arrows
- ⦿ Right click
to mark cell