The best minimalist sudoku with colors!
Response from developer
Thank you so much for the kind words and the great feedback! We loved your idea, and we just built it — it'll be live as soon as Apple approves our next update.

This logic puzzle game reimagines Sudoku with colors instead of numbers. It offers four difficulty levels and is playable offline, designed to be a calming and visually engaging experience. Enjoy personalized stats and accessibility features without intrusive ads or data collection.
1.2.1
August 26, 2026
Housekeeping release: we cleaned up the App Store listing so the app is easier to find. The app itself is unchanged.
$3.99
Remove Ads
Remove all ads for a distraction-free experience.
Thank you so much for the kind words and the great feedback! We loved your idea, and we just built it — it'll be live as soon as Apple approves our next update.
Hueku contains optional rewarded ads that appear only when you choose to restore a life or reveal a hint. You can also purchase Hueku Pro for $3.99 to remove all advertisements permanently.
Hueku Pro, which removes all ads permanently, is available as a one-time purchase for $3.99.
Yes, every puzzle in Hueku is generated locally on your device, and no internet connection is required to play.
Hueku offers four difficulty levels: Easy (5 lives), Medium (4 lives), Hard (3 lives), and Expert (3 lives) for challenging boards.
No, Hueku is designed to respect your time and privacy. It does not require accounts, logins, or emails, and all your progress is stored locally on your device.
Hueku has an age rating of 4+, making it suitable for a wide range of players.
The latest version of Hueku is 1.2.1, and it was last updated on August 26, 2026. Updates typically bring improvements and new content.
Yes, Hueku includes full VoiceOver labels to enhance accessibility for visually impaired users.