On the title screen, press fire to start the game. When you are asked to enter disk two, enter the second disk. After you insert the 2nd disk the drive light should go on for a second and then off. Now quickly press and hold the LEFT and RIGHT MOUSE BUTTONS, the FIRE BUTTON, and the 'SPACE BAR'. Hold them until the drive light goes out again. You should now be at the control room screen. Press fire to start and you will now start with 99 lives.