W and up arrow to go up, S and down arrow to go down, A or left arrow to go left, D and right arrow to go right and space to trow the ball. If you change from normal to easy you will need to stop the game and after
I used YouTube video for this project here are the link -->https://www.youtube.com/watch?v=Ie9dPg1gaWQ for how to make follow a sprite another one and https://www.youtube.com/watch?v=uJ0Np7j8W_8 for how to make a point counter