Sudoku is a logic-based number-placement puzzle. 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", "regions", or "subsquares") contains all of the digits from 1 to 9.
Every puzzle has a unique solution.
Sudoku is a very good brain exercise game which improves logical thinking of individual person.
This app present you many levels to make gameplay challenging and addictive.
This game contains following features.
1. 4 difficulty level.
2. 500 puzzles for each difficulty level
3. Save and Resume feature
4. Skipping a particular puzzle
6. Highlight/Undo to assist the puzzle solver
7. Nice user interface
8. Easy to use
9. Challenging and addictive gameplay
For more information on sudoku: https://en.wikipedia.org/wiki/Sudoku
So sitback relax and enjoy sudoku.