Note: This is
the CD add-on released in October, 2014 that must have the Protector SE
cartridge inserted to play.
Invincibility:
Hold Pause + 2 + 4
+ 6 at the title screen. The sound of an explosion will confirm correct code
entry. Repeat the process to disable its effect.
Rapid fire:
Pause game play,
then hold 4 + 6 + 8. Release the buttons. A sound will confirm correct code
entry.
75 Credits:
Pause game play, then
hold 0 + 7 + 5. Release the buttons. A sound will confirm correct code entry.
Enable all wave selects:
Enter the
"Options" menu. Highlight the "Save/Exit" option, then hold
Pause + Option and press B to exit the screen.
Expert mode:
Complete all waves.
A special "Victory" screen, ship, and Expert mode will be unlocked.
Another "Victory" screen appears at the end of Expert mode.
