uSudoku

Take a break from the noise. uSudoku is a clean, distraction-free Sudoku experience designed for players who want to relax, focus, and sharpen their mind — one puzzle at a time.

Whether you have 5 minutes or an hour, uSudoku fits your pace. Pick your difficulty, solve at your own speed, and come back tomorrow for a fresh challenge.

DAILY PUZZLES
A new puzzle every day, the same for all players worldwide. Build your streak and make Sudoku part of your daily routine.

FOUR DIFFICULTY LEVELS
- Easy — 46 clues. A great place to start.
- Medium — 36 clues. Where it gets interesting.
- Hard — 28 clues. Serious thinking ahead.
- Expert — 23 clues. You've been warned.

CLEAN & FOCUSED
- No account required — just open and play
- Notes mode to track candidate numbers
- Hints when you need a nudge
- Undo & redo for worry-free solving
- Smart error highlighting
- Haptic feedback
- Statistics to track your progress

PRIVACY FIRST
uSudoku collects no personal information. No name, no email, no account. Your progress is saved anonymously on your device.

Train your brain, one puzzle at a time.