you must move the board around the screen to stop the apple from touching the red. if you get passed 40 points, you go to extreme mode and the apple cant go faster. you get a point every time the apple touches the board. constant play makes things easier. update 25th.10.2017:Making things harder,the platform now shrinks. update 11th .1.2018: There is now an easy mode and super easy mode . First press the space bar for easy mode and up arrow for super easy mode . you have to press the buttons in order.