Huedoku is a daily color puzzle with simple rules and a satisfying solve. It's like sudoku, but with colors instead of numbers.
Sign up here to get notified every time we publish a new Huedoku!
Come back tomorrow for Huedoku #21 — and share your score to challenge a friend!
🌈 New Huedoku drops every weekday at 4:00 a.m. PT / 7:00 a.m. ET.
