Debug mode
Enter the password "WOLF", then press [RS]
+ [LS] + [P] during game play. The following things
may be done under debug mode: play and change pitch of all sounds;
display frame rate based on CPU activity; and force the flag to
appear in the first building that is destroyed.
Invincibility
This code works in one and two player modes and must
be done separately for each vehicle. Choose a vehicle from the
vehicle select screen. Press [C] to display the fuel/ammunition
screen. Hold [RS] + [LS] + [B] + [C], then
press [X] to bring up the exit menu. While the "Do Not
Exit" icon is highlighted and all the buttons except [C]
are pressed, press [Down] + [A]. A "double"
vehicle select sound will confirm the code.
Unlimited vehicles
This code must be done separately for each vehicle
and must be repeated if a new map is started. Choose a vehicle
from the vehicle select screen. Press [C] to display the
fuel/ammunition screen. Hold [LS] + [RS] + [A]
+ [C]. While the buttons are held, press [Down]. A sound
will confirm code entry. Then, press [Right]. Three light
blue shadows of the selected vehicle will appear.
Lock all levels
Enter the password "ZZZZ" to remove access from
all previously completed levels.
Unlock all levels
Enter the password "WOLF" to allow access to all
levels.
Opening sequence
Enter the password "TITL" to play the opening
sequence.
Removing the control window
Select a vehicle from the bunker. Press [P] immediately
as ramp begins to rise with the vehicle. Then, press [P]
to resume the game at the pause screen.
Self-destruct
Press [A] + [B] + [C] to self-destruct.
It can be used as a quick way to return to the bunker.
Zoom out
Press [A] + [B] and to zoom out the view
by about 25%. This only works when the camera is fully zoomed
in.
| <CENTER>Level</CENTER> | One player | Two player |
| <CENTER>1</CENTER> | TNOD | POTS |
| <CENTER>2</CENTER> | YALP | SRAW |
| <CENTER>3</CENTER> | HTIW | THAT |
| <CENTER>4</CENTER> | LAER | LLIK |
| <CENTER>5</CENTER> | SNUG | EVAS |
| <CENTER>6</CENTER> | TSUJ | HCAE |
| <CENTER>7</CENTER> | SIHT | EFIL |
| <CENTER>8</CENTER> | EMAG | MROF |
