Decabit Software
New sudokus are posted here daily. Whether you are a beginner or a veteran, you can find a sudoku for your experience level.

Easy
This is the place to start; but don't get discouraged if you get stuck on one!

Moderate
These sudokus can be solved using only basic techniques... but that doesn't mean they're easy.

Challenging
These sudokus can be solved using only basic and block-line techniques.

Difficult
These sudokus require intermediate techniques such as Naked Subsets, Hidden Subsets, and X-Wing.

Insane
These Sudokus require advanced techniques such as Swordfish, XY-Wing, and XYZ-Wing.

Nightmare
These sudokus require very advanced techniques such as Jellyfish, Colouring and XY-Chains.



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All Daily Sudokus are archived if you missed one or simply want to browse the archive.
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Last Updated: 5/20/2017 1:51:14 AM CST