EDD THE DUCK:

        Press the left mouse button to advance you to the next level.

        On the title screen, type "IANWANTSTOCHEAT" and now press the '.' on
        the main keyboard.  During play use the following keys:
        
                    'HELP'_______________To advance levels.
                    'N'___________________Invincibility on.
                    'Y'__________________Invincibility off.