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Welcome to Sudoku Coach: 92 Sudoku puzzles, step-by-step logic hints, lessons for 10 techniques, and 70 separate practice examples. Every feature is included with one purchase. No ads, in-app purchases, or subscriptions. English and Estonian.
Sudoku puzzles, step-by-step hints and lessons for 10 logic techniques
Sudoku Coach is an Android Sudoku game with classic 9×9 puzzles, explained logic hints, and separate practice. Solve at your own pace and see why the next step works. • 92 included Sudoku puzzles: 30 basic, 30 intersections, 30 subsets and 2 X-Wing introduction puzzles. • Lessons for 10 logic techniques and 10 interactive worked examples. Select the pattern cells and mark the conclusion. • 70 separate practice examples that check the reasoning and conclusion. Another valid pattern of the same technique is accepted. • Step-by-step Sudoku hints, manual pencil notes, undo and redo, a daily puzzle, and entry of your own 81-cell puzzle. • English and Estonian, light and dark themes, and local game and learning history. • Export or import a JSON backup yourself. Techniques range from singles and pairs to X-Wing. Placing a correct Sudoku digit in a game does not automatically count as learning a technique; a separate exercise checks that reasoning. Sudoku Coach is a paid app. Every game, hint and learning feature is included with one Google Play purchase. There are no ads, in-app purchases or subscriptions. Google Play shows your local price before purchase. Sudoku solving, lessons and practice run on the device without a connection. Google Play's installer check may still need a connection after the device's Play Store has been offline for a prolonged period.