Each column and row has to have got all the digits, letters or figures; as well as has to happen in each coloured square.

If the number is correct, score will increase.

You have to press NEW to generate a new sudoku.

The application generates sudoku randomly, without restrictions.


Numbers, letters and shapes in colour help children to understand and make sudokus.

Colored areas help to see the possible outcome for each site, allowing children to think and deduce the solution.

Teachers and parents see the evolution if they use email to follow the activities and the results.

Level is increased automatically, but can be adjusted to the initial figures at any time.

The use of different letters and shapes help to increase attention in the activities of children.

The LETTERS option in the menu bar generates sudokus with letters.

The SHAPES option in the menu bar uses different shapes in sudokus.

Numbers option generates sudokus with numbers.

The SOLUTION option in the menu bar shows solution in any time.

The SCORE option in the menu bar sets the lowest level and score to zero.

The Email option allows send the last activity with the application.