16x16 Sudoku
Best Time: N/A
Current Time: 0 sec
Hints Used: 0
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!