Colorudoku Spectrum Fill

The Ultimate Color Logic Puzzle! Experience a fresh twist on classic Sudoku with vibrant spectrum colors! Fill the 9x9 grid so each row, column, and 3x3 box contains all 9 rainbow hues. No numbers needed - just pure color logic! • 5 difficulty levels from Easy to Expert • Intuitive tap-to-select gameplay • Smart hints & error detection • Beautiful minimalist design