Sudoku 247 - Free Classic Sudoku Puzzles

More than 5000+ classic Sudoku puzzles for free.

Our free sudoku puzzles has some features that make the game easier for you.
Hints, auto-check, and hightlight duplicates. What's more, in our app each classic sudoku puzzles game has on solution.

Features:
- More than 5000 classic well-formed sudoku puzzles for free
- 9x9 grid
- 4 perfectly balanced levels of difficulty
- Hints
- Auto-check
- Highlight duplicates
- Leaderboards
- Unlimited Undos.
- Eraser. Get rid of the mistakes

Challenge your brain anywhere, anytime!