Debug mode
Press [Up], [Down], [Left], [Right],
[Down]x2, [Right]x2, [Square] when the Core Design
copyright screen appears in the NTSC version of the game. For
the PAL version of the game, press [Triangle] instead of
[Square]. A debug menu will appear with the following options:
<UL>
<LI>Play any level.
<LI>Run a CD test.
<LI>Play the game with maximum firepower.
<LI>View the FMV sequences.
<LI>View the credits.
<LI>Start a sound test.
</UL>
For an additional bonus, highlight the credits option in the debug
menu and press [Left]x8, [Triangle].
Invincibility
Start a game, then Press [Start] + [Select]
to quit. Press [Up]x3, [Down]x3, [Right]x2,
[Triangle] at the main title screen. The sound of a chime
will confirm correct code entry. During game play, the energy
bar will still go down, but will eventually rise again.
"Payback" mission
Enter the briefing area and locate the locker on the
left side of the screen Open the locker and enter "4L2CZCQKDAABACQDB"
at the password screen. A mission to destroy the Crimson Blade
training camp in the Masirah Mountains will begin.