Space Invaders. One prompt. That's all it took to build this classic arcade shooter in seconds. What one prompt game would you like next? The AI: https://chatgpt.com/ The Prompt: Build a polished Space Invaders game as a single self-contained HTML file using HTML, CSS, and vanilla JavaScript only. Must-have features: - Working left/right movement with Arrow keys - Working shooting with Spacebar - Prevent key handling bugs so the ship always moves correctly - Smooth continuous movement when holding keys - Alien grid moves side to side, drops down on wall hit - Player bullets destroy aliens - Enemy bullets can hit player - Game over if player is hit or aliens reach bottom - Score, lives, and level display - Start screen and game over screen - Proper Restart Game button that fully resets the game state - At least 3 power-ups (example: rapid fire, double shot, shield) - Better retro arcade graphics, glow effects, stars, explosions, nicer ship and alien designs - Increasing difficulty each level - Pause/resume with P Technical requirements: - All code in one HTML file - No external libraries - No image assets required - Clean, commented code - No bugs from duplicate event listeners, stale timers, or broken restart logic - Use robust collision detection and a reliable game loop Output only the final complete HTML file in one code block.