1. Pick which side you want to be on. (goalie or soccer ball). 2. Use 1 hand to move the goalie. 3. Move the goalie by clicking 'd' to move right and 'a' to move left. 4. Move the ball by clicking to make a goal. 5. Use your mouse to move the ball anywhere.
If there are any glitches or problems please tell me in the comments. I will try to fix them. Thanks!