Play Hitori Online Free

Play Hitori online for free. Shade cells so no number repeats in any row or column. Shaded cells can't touch, and unshaded cells stay connected.

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How to Play Hitori

Shade cells to eliminate duplicate numbers in each row and column.
No two shaded cells can be orthogonally adjacent.
All unshaded cells must form one connected group.
Numbers in unshaded cells must be unique per row and column.

💡 Pro Tip

If shading a cell would disconnect the unshaded region, it must stay unshaded. Start by finding numbers that appear 3+ times in a row/column.

Frequently Asked Questions

Why can't two shaded cells touch?

The rule prevents clumps of shaded cells. Combined with the connectivity rule on unshaded cells, it forces a balanced shading pattern.

How do I know a cell must stay unshaded?

If shading it would split the unshaded cells into two disconnected groups, it must stay unshaded — that's the connectivity safety check.

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