GALAXXIAN

This implementation includes: 1. A responsive game container with proper scaling 2. Loading screen that transitions to title screen 3. Start button that plays the intro video with sound 4. Gameplay with player movement, shooting, and enemy AI 5. Score system with high score persistence 6. Level progression with increasing difficulty 7. Sound management with mute toggle 8. Pause and game over states 9. Fallbacks for failed media loading 10. Clean UI with retro arcade styling The game follows all the specified requirements while maintaining a clean, modular structure that could be expanded with additional features like: - More enemy types - Power-ups - Boss battles - More sophisticated visual effects - Mobile touch controls - Additional sound effects