Clean Sudoku Modern
Smart, efficient, lightweight
Classic number puzzling with the clutter stripped away — 300,000 logic-only puzzles across three difficulty levels.
About
Clean Sudoku Modern is classic number puzzling with the clutter stripped away. No noisy menus, no pop-ups fighting for attention — just you, the grid, and a calm place to think. Solve one puzzle on a quick break or settle in for a long session; Clean Sudoku Modern stays out of your way and respects your time.
Pick your challenge
- Three difficulty levels: Easy, Medium, and Hard
- 300,000 puzzles, so you’ll never run out
- Every puzzle has exactly one solution — solvable by pure logic, never guessing
Tools that help, not hinder
- Notes (pencil marks) for working through the possibilities
- Hints for when you’re genuinely stuck
- Undo to step back from a wrong turn
- Gentle mistake checking so you can catch slips early
Built to be effortless
- Auto-save: close the app and pick up exactly where you left off
- A built-in timer and personal best times to beat
- Easy-on-the-eyes light and dark themes
- Playable offline — no account, no sign-up
Sudoku is one of the world’s best-loved brain games for a reason: relaxing, rewarding, and great for keeping your mind sharp. Clean Sudoku Modern delivers that in its purest, most distraction-free form.