Favorite Fox Sudoku

Sudoku
An easy to use yet surprisingly powerful sudoku program.

Jigsaw
A fun puzzle program with a twist. Lots of fun for young and old.

Easy to use, ultra fast queued file manager.

Favorite Fox Sudoku is an easy to use yet surprisingly powerful sudoku program. Hours of fun for beginners and experts alike. Create and solve regular, monster, killer and jigsaw sudokus - or any combination thereof. Download the latest version here:

Latest version: 1.36

Buy the full version now for only $9.95 and gain access to advanced features like
logical hints, importing sudoku files, quick saving, and others.

Sudoku.NET appeals to people with all skill levels. Start with an easy 4x4 sudoku with single highlighting.

Work your way up to 30x30 monster sudokus with Diabolical difficulty.

Practice mode allows you to quickly learn advanced sudoku techniques.

Color cells containing a candidate to easily discover hidden singles and other techniques. See that hidden single in the third row? It's not so hidden now.

Smart cursor locks on to singles and highlights for one click entry.

If you're stuck, press the hint button for an explanation on which sudoku technique to apply.

Try the Chaos sudoku mode (Jigsaw sudoku) for some excruciatingly difficult puzzles.

Create and play challenging killer sudokus

For the ultimate mind twisting puzzle experience combine jigsaw and killer sudoku.

Supports most well known sudoku techniques

High quality fast puzzle generator that only uses logical techniques. Guessing, Nishio, forcing chains or other trial-and-error techniques are not needed.

Singles
Hidden singles
Naked pairs
Naked triples (and subsets)
Box claims row or column (or 'Pointing pairs' or 'Locked Candidates 1')
Row or column claims box (or 'Box/line reduction' or 'Locked Candidates 2')
X-wing
Swordfish
Jellyfish
Coloring
Y-Wing
Hidden pairs
Hidden triples (and subsets)
Naked quads (and subsets)
Hidden quads (and subsets)
Rule of 45 (splits)
Rule of 45 (innies and outies)
Rule of 45 (plus minus variant)
Sum elimination (impossible candidates)
Sum elimination (mandatory candidates) (including killer variant of Block and Column / Row Interactions)