Dynasty Warriors 2

Free Health:
Locate a save point in the game (this will also work if you don't have a memory card). When the playstation asks you if you want to save you can either save or decline to save. You can now return to the game and you'll have all your health restored.

Game Cheats
Enter in the following codes at the title screen. If you enter the codes correctly you should hear the sound of charging warriors.

Effect	Code
Wu Characters	SQUARE, SQUARE, R2, R2, R1, R1, SQUARE, SQUARE
Shu Characters	SQUARE, SQUARE, R1, R1, R2, R2, SQUARE, SQUARE

Free mode side selection
Hold the TRIANGLE button and press: R1, L1, L2, R2, R1, L1, L2, R2

Opening Cinema Editor
At the Main menu enter: R2, R2, R2, L2, L2, L2, R1, L1

If you entered the code correctly you will hear cheering. Opening Edit will appear in the options menu. This option will allow you to edit the Opening Sequence by changing the characters.

Unlock all characters:
At the title screen, press Square, R1, Square, R2, Square, R2, Square, R1. A cheering noise should sound if entered correctly, this enables all the characters in the game.

Unlock bonus characters:
Beat Musou mode with the following character to unlock the bonus characters:

A member of the Shu Kingdom - Unlock Huang Zhong, Ma Chao, and Jiang Wei.
A member of the Wei Kingdom - Unlock Xiahou Yuan and Zhang Liao.
A member of the Wu Kingdom - Unlock Taishi Ci, Lu Meng, and Gan Ning.
One member of each kingdom - Unlock Diao Chan, Dong Zhuo, Yuan
Chao, and Zhang Jiao in free mode.
One member of each kingdom - Unlock Side Selection in free mode.

Open The Edit Mode
Create your own Full Motion Video (FMV) using characters from the game. From the Title screen enter in the following code to unlock the Edit Mode.

Enter: L1, L2, R2, R1, L1, L2, R2, R1.

Open the Background Music Test Option
From the Title screen enter in the following code to open the BGM Test option in the options menu.

Enter: R1, R1, R2, R2, L1, L1, L2, L2.

Unlock All Characters
From the Title screen enter in the following code to unlock all of the characters.

Enter: SQUARE, SQUARE, L1, L2, R1, R2, SQUARE, SQUARE.

Unlock All Shu Generals
From the Title screen enter in the following code to unlock all of the Shu Generals:

Enter: SQUARE, R1, R1, R1, R1, R1, R2, R2.