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Why Play X-Sudoku?

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Extra Challenge

The diagonal constraint adds a new layer of complexity that keeps even expert solvers engaged.

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Brain Training

Improve your logical thinking and pattern recognition with this enhanced puzzle format.

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Paradoxically, the extra constraint can sometimes make puzzles easier to solve!

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Competition Ready

X-Sudoku appears in world championships. Practice here to compete globally.

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Our responsive design works perfectly on desktop, tablet, and mobile devices.

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