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The Chromoku app is coming — unlimited hints and unlimited play. Pay once, yours forever. No ads, no subscriptions.

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Chromoku

The puzzle that feels like painting.

Fill every row, column and 3×3 box with each colour exactly once.

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Tap a colour then a cell · or tap a cell then a colour · tap a filled cell to remove it

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What is Chromoku?

Chromoku is sudoku played with colours instead of numbers — a colour sudoku. Fill every row, column and box with each of nine colours exactly once. There's a free daily puzzle, the same for everyone in the world, plus unlimited free play. No ads, no account, nothing to install — it runs in your browser.

© 2026 Vivienne Andrews. All rights reserved.

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