Free browser color game
Huedoku Alternative
If you like daily color grid puzzles, try Color Sudoku. Swap tiles into a smooth gradient, share your result, and keep your streak.
Select two movable tiles to swap them.
Why try Color Sudoku?
Color Sudoku focuses on arranging a scrambled hue grid rather than guessing a hidden answer. It is fast, visual, free to play, and works directly in your mobile or desktop browser.
Daily plus practice modes
Play the daily 4x4 puzzle, then switch to practice mode for 3x3, 4x4, or 5x5 boards. No login, download, or account setup is required.
Huedoku Alternative FAQ
Is Color Sudoku the same as Huedoku?
No. It is a separate browser puzzle inspired by hue grids and gradient sorting.
Is this Huedoku alternative free?
Yes. Color Sudoku is free to play online and does not require an account.