🎮 Tic-Tac-Toe Web Game

A fully interactive web-based Tic-Tac-Toe game built with HTML, CSS, and JavaScript.
The game supports multiple modes, AI opponents with different difficulty levels, and fun animations for wins and draws.

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🔗 Live Demo

👉 Play Tic-Tac-Toe Online

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✨ Features

🎲 Game Modes

• Single Player – Play against the computer.
• Two Player – Play with a friend on the same device.
• Self Play – Watch "X" and "O" AI battle it out automatically.

🧠 Computer Difficulty Levels

• Easy – Random moves, simple to beat.
• Medium – Uses the minimax algorithm with some randomness.
• Hard – Plays optimally using the minimax algorithm (very challenging).

🏆 Game Logic

• Winning Conditions: The game checks predefined winning combinations.
• Celebration: Winning cells animate + confetti effect.
• Draw Condition: If the board is full without a winner, the game ends in a draw.

🖥️ User Interface

• 3x3 grid-based game board.
• Status messages showing whose turn it is or the outcome.
• Control buttons for:
  • Selecting game mode
  • Choosing difficulty level
  • Restarting the game

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⚙️ Technical Details

• HTML (index.html): Page structure (title, buttons, board, status, restart).
• CSS (styles.css): Styling, layout, animations (winning highlight + confetti).
• JavaScript (script.js): Core game logic.
  • Handles game state (currentPlayer, gameActive, gameState).
  • Click handlers (handleCellClick) & result checking (handleResultValidation).
  • AI logic:
    • getRandomMove – Easy difficulty.
    • getBestMove – Medium/Hard difficulty using minimax.
    • minimax algorithm with scoring for AI.
  • Event listeners for UI interactions.

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🚀 How to Play

1. Clone or download this repository.
2. Open index.html in your browser.
3. Choose your game mode and difficulty (if playing vs computer).
4. Click on cells to play.
5. Restart anytime using the Restart button.

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📸 Screenshots (Optional)

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📂 Project Structure

tic-tac-toe/ │── index.html # Main page │── styles.css # Styling and animations │── script.js # Game logic and AI │── README.md # Project documentation

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🎉 Future Improvements

• Add online multiplayer support.
• Improve AI with learning

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📝 License

This project is open-source and free to use.