Huedoku: Colour Sudoku

Huedoku: Colour Sudoku

Sudoku in calming colour

4 ratings
Free
In-App Purchases

Rating summary

Details

Released
June 9, 2026
Updated
June 9, 2026

Features

Huedoku: Colour Sudoku screenshot #1 for iPhone
Huedoku: Colour Sudoku screenshot #2 for iPhone
Huedoku: Colour Sudoku screenshot #3 for iPhone
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About

This logic puzzle game reimagines Sudoku with a calming color palette instead of numbers. It offers multiple difficulty levels and thoughtful tools to aid gameplay, making it accessible and enjoyable for everyone.

✓Color-based Sudoku logic
✓Four difficulty tiers
✓Notes mode for candidates
✓Hint system
✓Unlimited undo
✓Optional patterns for color-blindness
✓Offline play
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What's New in Huedoku

1.1.0

June 9, 2026

1

Subscriptions & In-App Purchases

$1.99

Focus and Deep

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FAQ

What is Huedoku?

Huedoku is a logic puzzle game that replaces traditional Sudoku numbers with nine pastel hues. It offers the same satisfying logic in a visually calming and tactile experience.

How does Huedoku differ from regular Sudoku?

Instead of digits 1-9, Huedoku uses nine distinct hues. The core logic remains the same: each row, column, and 3x3 box must contain each hue exactly once.

Does Huedoku have ads?

No, Huedoku is ad-free. The game is designed to be a private experience with no advertisements.

Can Huedoku be played offline?

Yes, Huedoku is fully playable offline. No internet connection, account, or sign-up is required.

Are there different difficulty levels in Huedoku?

Yes, Huedoku offers four difficulty tiers: Gentle, Calm, Focused, and Deep, catering to players of all skill levels.

Is Huedoku suitable for color-blind players?

Yes, Huedoku includes an optional patterns overlay that adds a distinct shape to each hue, making the game accessible and enjoyable for color-blind players.

What tools are available in Huedoku?

Huedoku provides a notes mode for candidate marking, a hint system, unlimited undo, and customizable conflict detection to assist players.

How much does Huedoku cost?

Huedoku is free to download and play. The game offers a one-time purchase model with no subscriptions or in-app purchases.