Note: The following cheat codes are all entered when paused in game. If the cheat code is entered a second time, you will either lose your increased arsenal, or the cheat will be switched off.

Gain Access To The Level Jump:
Enter X, L1, L1, R1, R1, X, L1. If the code has been accepted, the mission number will appear. Zoom the globe in or out to change the mission, then press Triangle to accept the mission level.

Artificially Intelligent Ally That Defends & Expands Your Empire:
Enter Select, R1, R1, R1, L1, L1, R1. If entered correctly, the text 'You've got a new friend' will appear.

Shield Only One Of Your Selected Countries:
Enter X, Select, Select, R1, R1, R1, L1, L1, R1. If entered correctly, the text 'Shield' will appear.

Increase Entire Special Weapons Ammo To Maximum:
Enter X, Select, Select, L1, L1, L1, R1, L1, R1, L1. If entered correctly, the text 'Smart bombs' will appear.

Increase Your Special Forces Troops To Super Fighters:
Enter Select, X, Select, X, L1, L1, R1. If entered correctly, the text 'Super fighters' will appear.

Acquire The Ability To See The Enemies' Subs:
Enter L1, R1, X, X, X, X, L1, L1. If entered correctly, the text 'See subs' will appear.

Increase Your Entire Defensive Weapons Ammo:
Enter L1, L1, L1, Select, Select, Select, Select. If entered correctly, the text 'More missiles' will appear.

Acquire The Ability To Make 1 Of Your Defensive Missiles Split Into 6:
Enter R1, R1, R1, Select, Select, X, X. If entered correctly, the text 'Split defence' will appear.

Acquire The Ability To Fire From All Of Your Active Defense Silos Instead Of Just The One You Have Selected:
Enter R1, L1, R1, X, X, X, X. If entered correctly, the text 'Multiple Defense Launch' will appear.

Acquire The Ability To Produce All Of Your Mobile Units:
Enter R1, L1, Select, Select, X, X, L1. If entered correctly, the text 'You can build all resources' will appear.