- 春風数独 - is a polished Sudoku app for players of all levels. It provides clean puzzles, adjustable difficulty, and intuitive controls for entering numbers and pencil marks, plus optional hints and error checking for guided practice.

Key features

• Multiple difficulty levels from Beginner to Expert with progressive puzzles.
• Daily puzzles and timed challenges in - 春風数独 - to keep practice consistent.
• Smart input, pencil marks, undo/redo, and hint tools to support different solving styles.
• Statistics and progress tracking to monitor improvement.
• Simple interface with light and dark themes and adjustable controls for phones and tablets.

How to play

In - 春風数独 - fill each row, column, and 3x3 region with the numbers 1 to 9 without repeating. Use notes to mark candidates, apply hints when needed, and review mistakes with the validation tool.