Play Chinese-漢字 Sudoku 6x6, 9x9, 12x12 with unlimited hints

Sudoku, originally called Number Place is a logic-based combinatorial number-placement puzzle. In classic sudoku, the objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contain all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution.

Chinese-漢字 Sudoku have several features in game:

- Saving "not solved board", and you can load the board anytime

- Hints

- Note or scratch field

- Score board

- Difficaulty level easy, moderate, difficult, hard

- 6x6, 9x9, 12x12 boards