* Time Sudoku Game Features- 6 levels for Sudoku enthusiast Total 6000 Sudoku (1000 steps)- Filtering function in Sudoku list- Hint function- Can restore after setting branch- 3 input modes* Sudoku rules1. There is only one number from 1 to 9 on the horizontal line,2. There is only one number from 1 to 9 in the vertical line,3. Small rectangle 3x3 must contain only one number from 1 to 9.* Input mode (3 kinds of selection)1. Button First: Click the number button you want to input first and then select the input cell of Sudoku board. - Click the pencil button to activate the hint.2. Sudoku First: Select the Sudoku cell and click the number button to enter the number.- Click the pencil button to activate the hint.3. Pop-up: When you select the Sudoku cell you want to input, the keyboard pops up.- Click Edit Hint to enter the desired hint.* Help function1. View Hint button: Automatically displays all hints in empty Sudoku cells.- After entering a value in Sudoku, click the View Hint button again to update the hint.2. Hint Reset button: Reset all hints.3. Point setting button: Click the Point setting button before entering the estimated value to set the restoration point.- If you need to click the snap button multiple times, you can set the point in advance to return to the convenient point.4. Point restore button: Restores to the point you set.5. Snap button: Return Sudoku cell input immediately.- If you click it several times, it goes back as much.* Notice of Privacy and Access Rights - Sudoku does not require any personal information or access privileges.