Sudozen - Calm Sudoku

Settle into a quiet puzzle break with clear controls, expressive boards, helpful notes, and records that make every solved grid feel worthwhile.

Make time for a calm Sudoku break with a clear board and controls that stay out of your way. Choose a mood, solve at your pace, and return to progress that is saved on your device. No account is required.

PLAY YOUR WAY • Choose Easy, Normal, Hard, or Impossible. • Read selected cells, related numbers, and row, column, and box guides at a glance. • Add candidate numbers in familiar 3×3 note positions. • Undo a move or use hints to fill the current cell or find a certain next step.

KEEP YOUR RHYTHM • Continue your current puzzle from Home. • Save up to 10 games and resume them later. • Follow personal bests, Top 5 times, completed games, play time, and streaks.

MAKE THE BOARD YOURS • Pick from 10 built-in themes, including carefully tuned light and dark designs. • Choose a number style and size that feels comfortable. • Adjust guideline highlights, Notes, Hints, touch sounds, completion sounds, and haptics separately.

Sudozen is free to play without ads. An optional one-time Premium purchase unlocks all Premium themes, a custom photo background, and unlimited hints. The App Store shows the price before purchase, and Restore Purchases is available in the app.

Game progress and settings stay on your device. A network connection is only needed for App Store purchases and links you choose to open.