Sudoku Explained

Stuck on a Sudoku? Learn why the next move works. Sudoku Explained helps you recognize the patterns behind each solution. Hints explain the logic using your actual board, and guided practice lets you try techniques yourself. PLAY AT YOUR LEVEL Choose from five difficulty levels: Easy, Medium, Hard, Expert, and Evil. Every difficulty is free, with a daily puzzle to come back to. UNDERSTAND YOUR NEXT MOVE Get three free explained hints each day. Each hint names the technique and explains why the digit belongs there. LEARN THROUGH PRACTICE Explore 14 solving techniques with worked examples and practice boards that check your moves. One complete technique lesson is free each day, with a different lesson available tomorrow. FOCUS ON THE PUZZLE No ads. No accounts. Play offline on iPhone and iPad. GO FURTHER WITH ONE PURCHASE An optional one-time purchase unlocks the full techniques library, all worked examples and practice boards, unlimited explained hints, and the 30-day activity chart. No subscription.