🎨 Color Sudoku

Play Color Sudoku online

Fill in a harder four-by-four logic board. No download or login is required to begin. Your personal best score is saved in this browser; if you sign in, eligible scores can also appear on the global leaderboard.

Controls and winning strategy

Select a square, then enter a digit on the keypad. Every row, column, and box must contain each number exactly once. Start with a practice run, figure out the timing, and improve your route or decisions on the next attempt.

Want another challenge?

Try a new type of quick-play game from the ArcadeHarbor library. You can switch games without losing the personal best you already earned here.