Here’s a cleaner, more polished version of your README with improved grammar, structure, and clarity:

Sudoku Adventure is a simple and engaging puzzle game where your goal is to solve classic Sudoku boards as efficiently as possible. Complete each puzzle with minimal mistakes and limited use of hints to achieve the best score.

1. Select an empty cell on the 9×9 grid.

2. Enter a number from 1 to 9.

3. Follow standard Sudoku rules:

   • No repeated numbers in any row
   • No repeated numbers in any column
   • No repeated numbers in any 3×3 box

4. Incorrect entries count as mistakes.

5. Use hints if you get stuck to reveal the correct value.

6. Complete the board correctly to finish the level and earn up to 3 stars.

• Classic Sudoku gameplay
• Multiple difficulty levels with different hint limits
• Star rating system based on mistakes and hint usage
• Randomized puzzles for replayability
• Fast, keyboard-friendly input system
• Background sound effects
• Sound feedback when entering numbers
• Level selection system

Try the game here: https://fluffyorange.itch.io/sudoku-adventure

Watch a short demo video: https://github.com/user-attachments/assets/fa8b6512-8e48-4ab9-bf88-fcff02e054a4

You can download or clone this repository:

• Clone the repository using GitHub
• Or download the ZIP file and run the game locally

If you enjoy the game, please consider leaving a rating. Your feedback helps others discover it and supports future improvements.