Level select:
Submit the password G0LVLxx, where xx corresponds to the number of the desired level, as a password. You will see CHEAT ACTIVATED become visible after the ACCEPT option is chosen if you have entered the code correctly. Pick the QUIT option and start the game with just the pistol. Note that starting at level 34 will display the end sequence of the game.

God mode:
Submit the password 1GOTP1NK8CIDBOOTSON as a password. All weapons, unlimited ammunition, invincibility, and access to every level will be available. The new option on the title prompt will let the display to be toggled between NTSC and PAL. 

Power shotgun:
After pausing your game, push Triangle, Circle(2), Square.

Soundtrack:
Play track two of the game disc in an audio CD player to hear music from the game.

Level passwords:
Submit one of the passwords below to start playing the game in that particular level under Xenomania difficulty.