The instructions are in the game. FYI this is harder then it looks. Fav and lov it!!! IF YOU ARE PLAYING IN FULL SCREEN THEN PRESS THE PLAY IN FULL SCREEN BUTTON IN THE END OF THE GAME. You can press the M key to mute the music and you can press it again to play the music.
I would like to thank AlSweigart for showing me to this website called http://inventwithscratch.com which was my template for this game. The computer has lives because it is very easy for you to make the computer go to your line so that is why the computer has lives. In the beginning it won't move for 5 seconds on purpose. UPDATES: 10/11/2014 Added m key to mute and play the music. 06/06/2015 Added space key to play again 06/06/2015 Added r key to reset score (2 player only) 06/06/2015 Added c key to change go to normal to full screen or full to normal screen 06/06/2015 Added p key to show instructions