LEV: choose a level of difficulty. Between brackets is the number of puzzles per level. PUZ: enter the puzzle number of your choice. START: choose this to load the puzzle.

ROW:

Next to every SUM you will find the
missing digits for that row.

COLUMN:

Above every SUM you will find the
missing digits for that column.

BOXES (1-9):

At the top left are 9 boxes with the missing digits of the
9 subgrids.

Number of digits:

At the top you can see how often a number has already been entered and where.

COLOR CELL:

Click on a cell to color it yellow or back to white.
You can use this for excluding cell to be 1 or 9.

PLAY TAFE FIVE SUDOKU

Entering digit:

On the left, cells in white color, choose the digit(s) you want to enter
and then click on the sudoku cell of your choice. Choose a digit and the empty cell below digit 9 if you want
to place 1 digit in small size.

Button ✓:

Choose ✓ button to check the puzzle. All the correct numbers turn GREEN just like the initial numbers and now can
not be changed anymore.

Button SOL:

Click on the SOL button to display the puzzle solution.