Press the Green Flag to start, then the robot will start to moving all for all the screen. Press SPACE key to move the sword and kill the enemies.
Background: https://th.bing.com/th/id/R.b6dd745a5aac93fb50eb9bad32b5e8e9?rik=GKhy73Q4BpjO7g&pid=ImgRaw&r=0
