Cheat mode: Enter the options screen. Set the "Music"
option to "05" and the "Sound FX" option to
"21". Highlight "Exit", hold A + B
+ C and press Start. Shannon will say "Too
easy!" to confirm correct code entry. A new "Cheater
Cheater Mode" option will appear, which allows level selection,
maximum lives, full energy, and unlimited weapons. Note: Only
one of these options may be enabled at one time.
Full ammunition: Pause game play and press A, B(3), C,
A, C(2). Jim will shout to confirm correct code
entry.
Extra life: Pause game play and press B(2), C(2),
A(4). Jim will shout to confirm correct code entry.
Plasma power: Pause game play and press C, A, B,
C, A, B, A, C. Jim will shout
to confirm correct code entry.