Create a complete, working HTML5 game with the following requirements: RESPONSIVE DESIGN (REQUIRED): - 9:16 aspect ratio (mobile portrait) - Must fit perfectly in a mobile iframe - Use viewport meta tag and responsive CSS SCORE TRACKING (REQUIRED): - Send score updates via postMessage: window.parent.postMessage({ type: 'game:score', score: currentScore }, '*'); window.parent.postMessage({ type: 'game:end', score: finalScore }, '*'); GAME OVER DETECTION (REQUIRED): - When the game ends, se
Created by lkl