Sudoku Tour play online

Sudoku Tour is a game based on a well known Sudoku (originally called "Number Place").

Advanced Features:
Possibility to replay the solution of the game and its analysis.
Possibility to uncover numbers.
Possibility to create your own game using fields or sliders.

The objective is to fill a 99 grid with numbers so that each column, each row, and each of the nine 33 subgrids that compose the grid contain all of the numbers from 1 to 9.