Unlimited ammunition:
Press X, Triangle(3), X, Circle,
X, Square at the code entry screen.


Invincibility:
Press Square(2), X, Triangle,
X, Circle, X, Circle at the code entry
screen.


All present weapons:
Press Triangle, Circle, X, Circle,
X, Square, Triangle, Square at the
code entry screen.

All future weapons:
Press X(3), Triangle, Circle(2),
Square, X at the code entry screen.


All past weapons:
Press Circle(2), Triangle, Square,
X, Triangle(2), Square at the code entry
screen.


Quadruple damage:
Press Triangle(4), Square, X,
Circle, Square at the code entry screen.


Mission complete:
Press Square(2), Triangle, Circle(2),
X, Square, Triangle at the code entry screen.



Level select:
Press Square(3), Circle(3), Triangle(2)
at the code entry screen. Note: In the PAL version of the game,
press Circle(3), Square(3), Triangle(2) at
the code entry screen.


Fight TX Endoskeleton in all battles:
Press Triangle, Square, Triangle,
X, Triangle(4) at the code entry screen.


50% more health in combat with T800:
Press Triangle(2), Square, X,
Circle, Triangle, Square, Circle at
the code entry screen.


50% more health in combat with TX:
Press Square, Triangle, Square,
Triangle, Circle, X, Circle, X
at the code entry screen.


50% less health in combat with TX:
Press X, Triangle, Square, Circle,
Triangle, X, Square, Triangle at the
code entry screen.

Centipede
mini-game:
Press Circle, Circle, Circle,
Square, Square, Square, Triangle,
Square at the code entry screen.
Alternately, successfully complete the game to unlock Centipede
at the "Atari Games" menu. Note: If it is not unlocked
as soon as you complete the game, restart your PlayStation2, reload
your game, and recheck the "Atari Games" menu.


Missile Command
mini-game:
Press Circle, Circle, Circle,
Square, Square, Square, X, X
at the code entry screen.
Alternately, in the vet's office on level 13, walk into the small
office on the far right side. Approach the computer and press
X to play Missile Command. Then, successfully complete
the level to unlock the game at the "Atari Games" menu.

All FMV sequences:
Press Triangle, Circle, Square,
X, X, X, Triangle, Circle at
the code entry screen.

All still pictures:
Press X, Square, X, Square,
Circle, Triangle, Circle, Triangle
at the code entry screen.

View development team:
Press Circle, Circle, Circle,
Square, Square, Square, Triangle,
X at the code entry screen.


Hint: Defeating the Infiltrator:
This Boss battle will be your mission in level 5. Press
the buttons as instructed by the bottom captions. Do this at random
so that the Infiltrator cannot predict your attack. When his health
is down by 24, he will get a limp leg which will slow him down.