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.
What's New in Huedoku
1.1.0
June 9, 2026
Subscriptions & In-App Purchases
$1.99
Focus and Deep
Support the developers, and unlock Focused and Deep
Developer apps
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.




