Level  Password
1      TAFRGYBLRR
2      CRGRGYBLRY
3      FUMRGYBLRL
4      SICUGYBLLI
5      TAFUGYBLLR
6      CRGUGYBLLY
7      FUMUGYBLLR
8      SIFYGYBISR

Get on land and change to regular mode then press  Circle, X, X, Circle, Circle, X. Now hold Square for 7 seconds. It dosn't matter what weapons you have chosen to do this code.

After you've pressed those buttons change to tank mode then return to your base (still using tank mode) and buy three helicopters.  Now you must get killed once. Now you should have 100 new torrit guns scatterd around your base.

Enter these codes on the password screen.

• DYPYFASRHR -- All missions completed, all easter egg weapons.
• SYMRGOBRRL -- No missions completed, all easter egg weapons.
• DYSIFASRHY -- All missions completed and locked, all easter egg weapons.

Pause the game and press select to bring up the in-game menu. Highlight Volume/SoundFX and press Square, Select, O, X. Highlight Quit and press X. At the prompt, highlight YES and press X. Unpause the game and your shield will be replenished.

Pause the game and highlight the "Sound FX Volume" selection on the options screen. Then, press CIRCLE(2x), SELECT(2x), O, SELECT, X, SQUARE. Choose the "Quit" option, and select "Yes" to confirm. If you entered the code correctly, the screen will jump.

While playing game Pause and hit select button and scroll down to Volume SoundFx, Hit Circle 2X,Select 2X,Circle, Select, X , Square.Then Scroll down to Quit, hit X, Choose Yes and hit X.Your screen will flash and the code will be enabled.If you End the game then you entered it wrong.

To easily avoid land mines, morph into a cruiser by pressing L1 and R1 at the same time when near land mines. Now, you can hover right over them without getting damaged.

On the 4th level go through the first gate. Turn left and destroy any enemies that get in your way. Go straight, then in the first alley, turn left and go straight all the way to the end. Once you reach the limit of the screen, turn right and go all the way down to the water and there's your Robo Dog heavy weapon.

At the title screen press: X,R1,R1,R1,R2,L1,L1,L2,X,SQUARE,SELECT. You should hear a noise to confirm the code

In the Studio City level destroy the four control towers at the start of the level.(You have to do this to proceed anyway.) Now in the north west corner of the subway area, a laser fence should diactivate. Behind it is a switch that can be activated. Continue on with the level. Just past the giant mushroom area, you should encounter a large green mutant(your briefer will call it a bodygaurd.) Destroy the sign that reads "Mutant Soccer Champ" behind the bodygaurd. Backtrack to the mushroom area. As you enter, take a right turn onto a gray cliff. Proceed along this cliff. You should find a reloader with a shield symbol with a lightining bolt on it. This is the riot shield.

In the Zuma Beach Level, follow the road you begin on to the first crowd control area. Here you must destroy two pink flamingoes atop two different buildings. Continue the level until you reach the mini boss. Destroy the mini boss and drop into the hole it creates. In the area below, find a inactive tank that can be hurt. Destroy it to reveal the grenade tech.

Enter the password DYPYFASRHR

For the following code, pause the game and highlight 'Sound FX.' Enter the code: Square, Circle, Select, X, Select, X, Circle, Square, select quit and 'yes.'

For the following code, pause the game and highlight 'Sound FX.' Enter the code: 'Circle(x3), X(x3), Circle, Select, select quit and 'yes.

For the following code, pause the game and highlight 'Sound FX.' Enter the code: Square, Select, Circle, X(x2), Circle, Select, Square, select quit and 'yes.'

For the following code, pause the game and highlight 'Sound FX.' Enter the code: Circle, Square, Circle, X, Select, Square, X, select quit and 'yes.'

For the following code, pause the game and highlight 'Sound FX.' Enter the code: Square(x3), Circle, X, Circle, X select quit and 'yes.'

For the following code, pause the game and highlight 'Sound FX.' Enter the code: Square, Circle, Square, Select, Circle, X, Square, Circle, select quit and 'yes.'

For the following code, pause the game and highlight 'Sound FX.' Enter the code: Circle(x4), Square, X, Select, Square, X, Select, Circle select quit and 'yes.'

Enter "DYTIFASUHL" as a password in the Crime War or Precinct Assault screen.