Sudoku: Learn to Master

Sudoku — the timeless number puzzle built for focus, depth, and daily habit. Six difficulty levels from gentle Easy warm-ups to relentless Extreme puzzles let you play at exactly your level. Progress through tiers — Bronze, Silver, Gold, Platinum, Diamond — as your skills evolve and your score climbs. A FRESH PUZZLE EVERY DAY A new Daily Challenge awaits every morning. Complete every puzzle in a calendar month to earn the coveted Monthly Trophy. Miss a day? Watch a short video to rescue your streak. Build a streak, protect your consistency, and watch your resolve grow stronger every day. TOOLS THAT MAKE YOU SHARPER • Notes Mode – pencil in candidate numbers for any cell • Fill Notes – instantly populate all valid candidates across the board • Smart Hints – reveal the correct value and the logical technique behind it • Fast Insert – pick a number, then tap cells to fill at speed • Undo & Redo – move freely back and forth through your moves LEARN THE TECHNIQUES Go beyond guessing. Interactive lessons walk you through real solving logic — from Hidden Singles and Naked Pairs to Locked Candidates, X-Wing, Y-Wing, and Swordfish — with guided practice puzzles that unlock as you level up. TRACK EVERYTHING Level up through a full XP system. Unlock 80+ achievements across seven categories — First Steps, Difficulty, Perfect Play, Speed, Score, Streak, and Lessons — plus a handful of secret ones waiting to be discovered. Review per-difficulty statistics — best time, average time, win rate, error rate, best score, and total time played. PERSONALIZE YOUR GAME Choose from White, Brown, or Black themes. Adjust number size for comfort. Toggle haptic feedback, the timer display, and automatic note removal. Available in 26 languages, including English, Spanish, French, German, Japanese, Chinese, Arabic, Russian, Korean, and more. CLEAN BY DESIGN A minimal interface built around the grid. Every tap, every highlight, every transition serves the puzzle — nothing else. Download Sudoku and start your first game today.