Enter the options menu and highlight "Password". Then, hold Select and press Triangle, L1, Square. Release Select and press Triangle, L1, Square, Triangle, L1, Square. Choose the desired level in the "Round=" box that appears on the screen by pressing Left or Right.
Pause the game and select "Options". Then, press Triangle, Square, Circle, Square, Triangle, Square, L1, L1 + R1, Select(2). If you entered the code correctly, there will be a skull picture and sound. Quickly press Triangle, Square, L1(2), Square, Triangle. The game will restart with ten continues, planes, and plasma shots.
Allow the demonstration to play once before returning to the title screen. Then, when the demonstration starts again, it will be replaced with a a Crystal Dynamics commercial.
|X, Circle, Triangle, Square, X, X, X, Square|
|Triangle, Triangle, Circle, X, Triangle, Triangle, X, Square|
|Circle, Circle, Circle, Triangle, X, Triangle, Square, Square|
|Infinite Shield||80079048 FB50|
|Infinite Lives||800766A0 0005|
|Infinite Plasma Bombs||80078DD4 0003|