Description:Good Sudoku by Zach Gage reinvents the classic puzzle with smart design and modern strategy. Learn real Sudoku logic through technique-based hints, auto-updating notes, and gentle error prevention that keep the focus on thinking, not tedium. Dive into a spectrum of handcrafted and generated puzzles, from relaxing to expert, plus daily challenges and quick-play modes. Clean visuals and responsive controls make every solve fast, fair, and deeply satisfying.
How to play:Select a difficulty or start the daily challenge to begin a new puzzle.
Fill the grid so each row, column, and 3x3 box contains the numbers 1 through 9 without repeats.
Enable notes to mark candidate numbers and let auto pencil marks update as you place digits.
Tap hint to learn a specific solving technique when you are stuck, from singles to advanced patterns.
Use smart validation and undo to correct mistakes and refine your logic as you go.
Try speed modes or pursue perfect solves to build your stats and streaks over time.