Projects / HoDoKu


HoDoKu is a Sudoku generator/solver/analyzer. It has many human-style techniques (singles, subsets, LCs, fish, wings, uniqueness, coloring, chains, and ALS) and a powerful analyzer (manage multiple solutions for one Sudoku).

Operating Systems

Recent releases

  •  27 Oct 2011 10:07

    Release Notes: This release added instant creation of new Sudokus (even very hard ones), extended print options including a booklet printer, a new simplified mouse mode, a progress indicator, and much more.

    •  11 Mar 2010 20:36

      Release Notes: This is a major user interface update. The new features include a completely new mouse interface, a training and practising mode, a history of created puzzles, savepoints, and new sorting options in the "all steps" panel, progress measurement for every step, a backdoor searcher, and much more.

      •  19 Apr 2009 14:36

        Release Notes: New techniques include Death Blossom, Dual 2-String Kite, and Dual Empty Rectangle. ALS code has been reworked to allow overlapping. Some minor changes were made to the GUI (menu structure). New solver options were added. The homepage now features a guide describing about 70 human-style solving techniques using more than 170 examples.


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