Invincibility: Press Right, X, R1, Triangle,
Up, L2, X, Left, L1, Circle,
X, R2 at the "Press Start" screen. "Press
Start" will flash to confirm correct code entry. Note: The
game cannot be saved when codes are enabled. jamses9877.
All weapons: Press Up, Down, X, Square,
R1, Triangle(2), Left, Circle, L1(2),
Right at the "Press Start" screen. "Press
Start" will flash to confirm correct code entry. Note: The
game cannot be saved when codes are enabled. jamses9877.
Level select: Press R2, Triangle, Left, Circle,
Square, L2, Left, Up, X, Down,
L2, Square at the "Press Start" screen.
"Press Start" will flash to confirm correct code entry.
Note: The game cannot be saved when codes are enabled. frank hersman.
Full bolt: Press Left, Right, Up, Down,
L1, Circle, Triangle, R2, Left,
Down, Square(2) at the "Press Start" screen.
"Press Start" will flash to confirm correct code entry.
Note: The game cannot be saved when codes are enabled.
Full spread: Press L2, R1, Circle, L2,
Down, Up, L1, Right, Left,
X at the "Press Start" screen. "Press Start"
will flash to confirm correct code entry. Note: The game cannot
be saved when codes are enabled.
Full homing: Press Right, Up, Square, L1,
Left(2), L1, Left, Circle, Left
at the "Press Start" screen. "Press Start"
will flash to confirm correct code entry. Note: The game cannot
be saved when codes are enabled.
Full beam: Press Left, Circle, Triangle,
Right, L1, Square, Left, R1(2),
Triangle at the "Press Start" screen. "Press
Start" will flash to confirm correct code entry. Note: The
game cannot be saved when codes are enabled.
Full area effect: Press Left, X, Triangle, Up,
X, Down, Square, L2, Left,
R2 at the "Press Start" screen. "Press Start"
will flash to confirm correct code entry. Note: The game cannot
be saved when codes are enabled.
No power-up drops: Press Down, Up, X, Square,
Down, Up, X, Square, L1, L2,
Square, Circle at the "Press Start" screen.
"Press Start" will flash to confirm correct code entry.
Note: The game cannot be saved when codes are enabled.
Boss mode: Press R1, Triangle, Down(2), X,
L2, Left, Square, Right, Triangle,
R2, L1 at the "Press Start" screen. "Press
Start" will flash to confirm correct code entry. Note: The
game cannot be saved when codes are enabled.
Training missions: Press Square, Up, L2, Left,
Triangle, X, R2, Circle, Right,
R1, Square, Circle at the "Press Start"
screen. "Press Start" will flash to confirm correct
code entry. Note: The game cannot be saved when codes are enabled.
frank hersman.
Boss mode: Press R1, Triangle, Down(2), X,
L2, Left, Square, Right, Triangle,
R2, L1 at the "Press Start" screen. "Press
Start" will flash to confirm correct code entry. Note: The
game cannot be saved when codes are enabled. frank hersman.
Use Zed: Press Left, Triangle, L1, X,
Down, R2, Triangle, Right, R1,
Square, Triangle, L2 at the "Press Start"
screen. "Press Start" will flash to confirm correct
code entry. Note: The game cannot be saved when codes are enabled.
Agent data: Press Up, Down, Circle, R2,
Left, L2, Right, X, R2, Square,
Up, R1 at the "Press Start" screen. "Press
Start" will flash to confirm correct code entry. Note: The
game cannot be saved when codes are enabled. frank hersman.
Alien data: Press Square, L1, Circle, L2,
Down, Triangle, R1, Right, X,
Left, R2, Triangle at the "Press Start"
screen. "Press Start" will flash to confirm correct
code entry. Note: The game cannot be saved when codes are enabled.
frank hersman.
"Making Of" feature: Press Circle, R2, L2, Circle,
Triangle, Down, Square, X, Right,
L1, X, Up at the "Press Start"
screen. "Press Start" will flash to confirm correct
code entry. Note: The game cannot be saved when codes are enabled.
Versus mode: Hold L1 + R1 and press Square
+ Circle at the title screen.