Click the green flag once. Then, press "space" or "m". If you press space, you use the mouse to move the player. If you press "m", use the arrow keys to move. Press 1,2,3,4,5,6,7,8,9,0 for different costumes. Pick up different pollutants and don't collect the fish. Press H, I ,J ,O to learn why we should clean the environment!
