Guess a 4-digit number to uncover the secret . Receive feedback with color-coded tiles indicating correct digits in the right position (green), correct digits in wrong position (yellow), or incorrect digits (gray).
Play puzzles by placing colors in a grid so each row, column, and block contains all hues exactly once. Choose from various sizes and difficulty levels. Track progress and replay previous puzzles.
Solve puzzles by filling a 9×9 grid with digits 1-9. Ensure each row, column, and 3×3 subgrid contains unique numbers. Play multiple difficulty levels and track progress.
