Very intuitive and easy to use GUI.

JSudoku is claimed by the author to be Freeware and free to use.

JSudoku Publishers' Full Overview:

Given puzzle digits have a different color.

User can also create his own puzzles.

For solving puzzles, if the user wants, hints can be activated.

There are 3 level of hints:

showing if a cell entered is valid, just showing the candidates for the cells,

highlight deducible cells.

There's also the option to analyse a puzzle an give the several solutions it may have.

Load and Save of boards is supported.

Configuration of board colors is also supported.

Very intuitive and easy to use GUI.

History:

Version 1.85- 8th July 2006

+Print support (set of puzzles and current puzzle) with solutions

*Bug corrected in sending a custom level puzzle where it would

appear empty

Version 1.80- 21st March 2006

+Donation thru paypal

+Send mail support

Version 1.75- 5th February 2006

+3 board sizes supported (small, medium and large)

+Pause option

Version 1.70- 7th January 2006

+SDK file registry association to be able to open SDK files

just by double click

+Game restart option (indicated for replaying matches)

Version 1.6- 22th December 2005

+Cells remaining indication added

+Benchmark window

*Given cells can no longer be deleted

*Other minor changes in the engine

Version 1.5- 30th November 2005

+New solver engine (much, much faster)

+No longer the option to ensure unique solution

for generate puzzles

(generated puzzles now have always unique solutions,

generation is now fast enough for Easy and Medium

levels thanks to the new solver engine.)

+Wrong cells as a new hint

+Mouse scroll can be used to change between cells

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