The author built a hand-controlled game using AI-powered libraries from Google.The game captures video from the webcam, detects motion and objects in real-time, and allows the player to control the game using hand gestures.The game utilizes OpenCV, Mediapipe, and Pygame to enable accurate tracking of hand movements and ensure punches hit the target.To play the game, users can download the .zip file from GitHub, extract it, and run the executable file to start punching aliens.