Sudoku – Classic Puzzles

Discover a calm and enjoyable way to exercise your mind every day.

Sudoku offers a clean board, intuitive controls, and randomly generated puzzles. Every board has exactly one valid solution, so you can focus on logical thinking and enjoy the satisfaction of solving it on your own.

Choose the difficulty that feels right for you:

• Easy — more revealed cells, perfect for beginners
• Medium — a classic everyday challenge
• Hard — fewer clues for experienced players

Play at your own pace

There are no penalties, no mistake counter, and no pressure. Sudoku highlights only genuine conflicts in rows, columns, and 3×3 boxes, helping you stay focused while keeping every puzzle enjoyable.

Build your collection of achievements

Complete Sudoku boards, discover new milestones, and collect achievements for your personal progress. Play in the morning, during a quiet evening, on weekends, or simply whenever you feel like a moment of focus.

Your moments, your progress

Track completed boards, active days, and your personal milestones. Return to an unfinished puzzle whenever you want — your current game is saved on your device.

Play together, without the race.

Invite friends to a private group and solve the same daily Sudoku together. Everyone can choose their own difficulty and play at their own pace. See who has completed the day’s puzzle, without rankings, pressure, or comparing results.

Main features:

• randomly generated Sudoku boards
• exactly one valid solution for every puzzle
• three difficulty levels
• clear conflict highlighting for rows, columns, and 3×3 boxes
• personal achievements and milestones
• completed-board statistics and active-day calendar
• saved game progress
• private groups and shared daily Sudoku
• no ads interrupting gameplay
• a clean, calm, and intuitive interface
• support for Polish, English, German, French, Spanish, Portuguese, Italian, Japanese, Simplified Chinese, and Korean

Take a moment. Think. Fill. Solve.

Recent changes:
• New achievements and personal milestones
• Private groups and shared daily Sudoku
• New languages: German, French, Spanish, Portuguese, Italian, Japanese, Simplified Chinese and Korean
• Refreshed visual design and improved navigation
• General improvements and fixes