Press the screen to move your wings and sustain your bug in the air. Evade the dangerous trunks by navigating up or down. The more you fly without colliding with the trunks, the better your score. Pay attention to the increasing speed as you move forward to keep the game tougher. Employ quick reflexes to maneuver through narrow spaces between trunks. Attain the highest score by improving your rhythm and management over your bug's flight.