100 more torrit guns:
Begin a multi-player game. Return to land and switch to regular mode. Press Circle, X(2), Circle(2), X, then hold Square for approximately ten seconds. Switch to tank mode, return to your base, and purchase three helicopters. Intentionally lose a life to find 100 torrit guns around your base.

200 bonus points in Precinct Assault mode:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Circle, Square, Circle, X, Select, Square, X, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

All missions completed in current mode:
Enter DISYFISLFY as a password at the Crime War or Precinct Assault selection screen.

All missions completed and locked:
Enter DITIFISLFL as a password at the Crime War or Precinct Assault selection screen.

All missions completed, all bonus weapons:
Enter DYPYFASRHR as a password at the Crime War or Precinct Assault selection screen.

All missions completed and locked, all bonus
weapons:
Enter DYSIFASRHY as a password at the Crime War or Precinct Assault selection screen.

All missions completed and locked, all bonus
weapons, invincibility:
Enter DYTIFASUHL as a password at the Crime War or Precinct Assault selection screen.

Blue player switched with black player:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Square, Select, Circle, X(2), Circle, Select, Square, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Heavy weapons ammunition:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Circle, X, Select, Square, Circle, X, Select, Square, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Heavy weapons power-up:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Square(3), Circle, X, Circle, X, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Invincibility:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Circle(2), Select(2), Circle, Select, X, Square, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Jump power-up:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Circle(4), Square, X, Select, Square, X, Select, Circle, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Level skip:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Square, Circle, Square, Circle, X, Select, X, Select, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Machine gun ammunition:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Square, Circle, Select, X, Select, X, Circle, Square, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Machine gun power-up:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Circle(3), X(3), Circle, Select, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

No missions completed, invincibility:
Enter SIFRGYBERR as a password at the Crime War or Precinct Assault selection screen.
No missions completed, all bonus weapons:
Enter SYMRGOBRRL as a password at the Crime War or Precinct Assault selection screen.

Special weapons ammunition:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Square, Select, Square, Circle, Square, Select, X, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Shield power-up:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Square, Select, Circle, X, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.

Special weapons power-up:
Pause game play and highlight the "Sound FX Volume" selection on the options screen. Press Square, Circle, Square, Select, Circle, X, Square, Circle, select the "Quit" option, then select "Yes" to confirm. The screen will jump to confirm correct code entry.