To edit the opening animation, enter the following code at the title screen: R1, Square, R1, Triangle, R1, L1,Square, L1, Triangle, L1.
To unlock all Wu Kingdom warriors, enter the following code at the title screen: Triangle, Triangle, L1, Square, R1, R2, L1, L2,L2, L2.
To unlock all levels, enter the following code the the title screen: R1, R2, L2, L1, Square, L1, L2, R2, R1, Triangle.
To unlock all movies, enter the following code at the title screen: Triangle, L1, Triangle, R1,Triangle, Square, L2,Square, R2, Square.
To unlock all Shu Kingdom warriors enter the following code at the title screen: L1, Square, Triangle, R2, L1, L2, L2, R1,Square, L1.
To unlock all sound tests, enter the following code at the title screen: L1, L1, R1, R1, L2, L2, R2, R2, Square,Triangle.
To unlock all warriors, enter the following code at the title screen: R2, R2, R2, L1, Triangle, L2, L2, L2, R1, Square.
To unlock all Wei Kingdom warriors, press the following buttons at the title screen: L2, L1, Square, Triangle, L1, L2, R1, R2, L1, L2.
The fastest way to get to, mount, and ride an elephant in Dynasty Warriors 3 is to begin by selecting Sun Shang Xiang. In the Nanman Campaign, the fifth level in her game, use bow and arrows to kill off the enemy riding the elephant, then walk up to its side, like you would a horse, and press X. You should then be able to ride it.