SudokuZen: Learn Sudoku

Stuck on your next Sudoku move? Learn how to find it, not just what the answer is. SudokuZen connects illustrated lessons, focused practice and real puzzles in one learning journey. Language note: the game interface and lesson content are currently primarily in Traditional Chinese. LEARN THE LOGIC Explore 40 technique lessons, from singles and locked candidates to X-Wing, advanced chains and ALS. Walk through illustrated examples and see how numbers and candidates reveal a deduction. TURN KNOWLEDGE INTO PRACTICE Work through over 1,000 targeted practice puzzles and over 1,000 classic Sudoku levels. Learn a technique, practice it and demonstrate it in a real puzzle to progress through the journey. GROW IN WORLD TRIALS Try different challenge rules, earn experience and build your technique collection. Keep a record of your progress as new challenges become available. CHALLENGE A FRIEND Create or join a room and solve the same puzzle in a live two-player match. Follow both players' progress as you play. The duel mode unlocks after the required learning progress. PLAY AT YOUR OWN PACE Use candidate notes, track results and achievements, and revisit recorded moves with game replays. The main solo content works offline. No ads. No in-app purchases. No manual account registration. Leaderboards, cloud progress and live duels require an internet connection and use an automatically created anonymous account. Some modes and features unlock as you progress.