Press Start on Controller Two as soon as the game begins and hold it until
you get to the Weapons Select screen. Your energy will go Down, but you
won't die.
Begin the game and destroy your warship. Let Rex die on his way to the
shuttle. Choose the Option mode and set Pad Reset to "Enable". Now
(while still in the Option Mode) push C and Start simultaneously. A girl
with nine continues will slide onto the screen.
After dying on any level after Level 1 go to the Option Mode screen and
press Start. When you exit the Option Mode you'll nine continues. Any
time you have less than three continues you can repeat this trick.
As soon as the first green robot walks from the Right side of the screen,
press Start on Controller Two. Player 2 should now have control of the
next robot to come along!
Fly to the warship without shooting any enemies on Level 1, then destroy
the warship at 52 miles or more from the base. You will have 2,800 points
and no bonus weapons ... until you Start the next level.