Alien Trilogy
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Level select
Enter "G0LVLxx", where xx corresponds to the number of the desired level, as a password. For example, enter "G0LVL14" for level 14. If you entered the code correctly, the phrase "Cheat Activated" will appear after the "Accept" option is selected. Then, select the "Quit" option and start the game with just the pistol. Note: Starting at level 34 will display the ending sequence.
God mode
Enter "1GOTP1NK8CIDBOOTSON" as a password. Then, all weapons, infinite ammunition, invincibility, and access to all levels will be available. A new option on the title screen will allow the display to be toggled between NTSC and PAL. Note: Saving the game to a memory card will only save weapons and ammunition.
Power shotgun
Pause the game and press Triangle, Circle(2), Square.
View ending sequence
Enter "FLYTO35" as a password.
Level passwords
Enter one of the following passwords to begin a game at the corresponding level on the Xenomania difficulty setting: