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About Sudoku Online

Here you can read facts, todo items and change history about Sudoku Online.

You can discuss these items in the forum if you want to participate.


These Sudokus here are minimal in the sense that they have only 17 clues each, which is believed to be minimal.


These items will some day be implemented, depending on the complexity, amount of work involved and the feedback I get.

Work done

These items were formerly on the Todo list and are now considered to be done (note that there is also a non-public todo list with more internal issues):