Clean Modern Sudoku

About

Clean Modern Sudoku 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 Modern Sudoku 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 Modern Sudoku delivers that in its purest, most distraction-free form.