Number Logic
Sudoku Trainer
The classic puzzle that trains your brain! Fill the 9×9 grid so every row, column, and 3×3 box contains the digits 1-9.
Classic 9×9
Standard sudoku
3 Levels
Easy to Hard
5 Hints
When stuck
Timed
Track speed
Select Difficulty
How to Play:
- • Fill in the grid so every row, column, and 3×3 box contains 1-9
- • Click a cell then select a number
- • You have 3 mistakes allowed
- • Use hints wisely (max 5)