Play Sudoku online for free! Fill the grid so every row, column, and block contains unique values. This
classic logic puzzle is perfect for boosting your brainpower and relaxing at the same time. Choose your
difficulty and enjoy endless puzzles!
How to Play:
Fill each cell with a character (1-9 or A-G) without repeating in any row, column, or 4×4 block.
Click "New Puzzle" to start a new game with selected difficulty.
Use "Show Hint" to fill one correct cell — hints are tracked!
Click "Check" to validate your solution.
Use "Show Solution" if you’re stuck, but it ends your challenge!