Endless Energy:
During Gameplay press the Pause Button. During paused Gameplay press Up, Up, Down, Circle, Square, L1, R1. If the code entry was correct a sound is played to verify that the cheat is activated.


Level Select:
During Gameplay press the Pause Button. During paused Gameplay press Circle, Circle, Circle, X, X, X, Circle.
If the code entry was correct a sound is played to verify that the cheat is activated.


Year of the Dragon Demo:
At the Universal Studio entry screen hold R1 + L1 + Square and press Start.