On the GDI disk, enter your password as PATSUX. This takes you to a secret level where you start with 12 commandos, $10,000 and a lot of tiberium!

To view the whole map area, press and hold L1 + L2 + R1 + R2 + Circle + Square while entering a password or beginning a new game. Release the buttons when the mission briefing begins.

While playing, pause the game and press Circle, Circle, Circle, Up, Circle, Square, R1, Circle, Circle, Circle. Unpause the game to reveal the map.

When you have a vehicle you want to sell, build a repair bay and put your vehicle on it. Press square to get to the sell icon and make sure the sell icon is on your vehicle, then press x.

When playing the GDI disc enter the code as patsux. You start with 10,000 10 commandos and your orcas shoot lasers.

On any level, build 14 silos and then delete every one of them. Then build 2 refineries. After than, when 1 of your men dies, 10 men will come out of your barracks. The new men are free.

To access the covert operation missions, enter the password "covertops". This works for both NOD and GDI.

While playing, pause the game and press Right, Down, Down, Left, L1, Left, Right, Down, Left. Press Start to resume play with an extra $5,000.

Enter the password "GODZILLA". All voices will be in Japanese.

While playing, pause the game and press RIGHT, DOWN, LEFT, LEFT, DOWN, RIGHT, RIGHT, DOWN, LEFT, X, UP, X. Press START to resume play and launch your attack.

Level  Password
2      04XFOOP3W
3      W3KIESA3O
4      A8OTO3WIW
5      W1N457LJ4
6      OLXRH5ZUS
7      OX3CS3D4G
8      036Y0TVNY
9      V199PXG5L
10     8PH1NEGII
11     GTJKF2J00
12     T0RMFVVM5
13     AQU7OQ65A
14     KV2UWMZJ9
15     GTJ2PV46O

While playing, pause the game and press Right, Down, Left, Left, Down, Right, Right, Down, Left, X, Square, Circle. Press Start to resume play and activate your code.

While playing, pause the game and press Right, Down, Left, Left, Down, Right, Right, Down, Left, X, Square, Triangle. Press Start to resume play and activate your code.

Level  Password
2      C99FAXKW8 
3      RZNLQZ3NL 
4      W1954XWLF 
5      W15DASRS8 
6      8PH1MR53W 
7      GTJKWOJDK 
8      YKK424K3D 
9      874LCPUT4 
10     A8SHPAHXW 
11     OX3UKOP94 
12     QGDUMSK2J 
13     SZP09VDSB