Sudoku is a logic-based, combinatorial number-placement puzzle. Play sudoku now!

We have different levels of classic sudokus for you to play.
We have:
★An unlimited number of sudokus.
★Different level of sudokus
★Easy sudoku puzzle
★Normal sudoku puzzle
★Hard sudoku puzzle (very difficult sudoku)
★Extremely Hard sudoku puzzle (very difficult sudoku)
★A daily new extremely hard challenging sudoku

Extremely hard sudoku puzzle for experts of sudoku:
Can't you solve it? Have you learned enough sudoku skills? Try google followings:
★Intersections
★Hidden Pair
★Naked Pair
★Fish/Finned Fish
★X-Wing
★Skyscraper
★Uniqueness

We have supported the following features.
★Nice UI Design
★Highlight the selected number, let you read the sudoku board instantly
★Save playing progress automatically
★Undo your input number, it is useful for solving the sudoku by guess
★Auto eliminate the visible conflict, let you focus on high-level skills
★lite sudoku app, it requires very little power

Please give us feedback, if you have any suggestions.