SUDOKU ONLINE

HOW TO PLAY SUDOKU

1. Objective: Fill the 9x9 grid so that each row, column, and 3x3 box contains all numbers from 1 to 9 without repetition
2. Start: Choose a difficulty level (Easy, Medium, Hard) to begin a new game
3. Select Cells: Click/Tap on any empty cell (white background) to select it
4. Enter Numbers: Use the number pad (1-9) below the grid to input numbers
5. Fixed Numbers: Gray cells are fixed and cannot be changed
6. Mistakes: Incorrect entries will turn red immediately
7. Clear Cells: Use the backspace (⌫) button to remove numbers
8. Check Progress: Use the 'Check' button to verify your solution
9. Win: Complete the entire grid correctly to win!