Fill the 9×9 grid so that each column, row, and 3×3 box contains all digits from 1 to 9.
Rules:
- Each row must contain digits 1-9 without repetition
- Each column must contain digits 1-9 without repetition
- Each 3×3 box must contain digits 1-9 without repetition
- Wrong placements cost you a life!
Features:
- 💡 Hints available when you're stuck
- ⏸️ Pause the timer anytime