full screen for best experience and make sure to read EVERYTHING. press green flag to set it up and then press start. use up arrow to move up, down arrow to move down, space key to stop all. Every 15 seconds you get a point. Oh, and try to beat the ai. Press 1 to add more balls. The blue balls do not count as points towards you if they hit the AI's wall, they are just a challenge. first to 12 wins
pong