No beautiful appearance, just SUDOKU. Have fun!
Use HINT carefully,and finish the game as soon as possible, and take the 1st place of High Score !
How to get a high score? hard>med>easy, shape>character>number,less time>more time.Instuctions:
Arrow Keys - select tile
Left Mouse Key - select tile
Number Keys - fill selected tile
Del Key - clear selected tile
Shift Key - switch Pen and PencilKeywords: