Produce all mobile units
R1, L1, Select, Select, X, X, L1. 'You can build all resources' will appear.

Fire from all silos at once
Enter: R1, L1, R1, X, X, X, X. 'Multiple Defence Launch' will appear.

Make one defensive missile six
Enter: R1, R1, R1, Select, Select, X, X. 'Split defence' will appear.

Increase defensive weapons ammo
Enter: L1, L1, L1, Select, Select, Select, Select. 'More Missiles' will appear.

See Enemy Submarines
Enter: L1, R1, X, X, X, X, L1, L1. 'see subs' will appear.

Make Special Forces super fighters
Enter: Select, X, Select, X, L1, L1, R1. 'Super Fighters' will appear.

Maximum Special Weapons Ammo
Enter: X, Select, Select, L1, L1, L1, R1, L1, R1, L1. 'Smart Bombs' will appear.

Shield one selected country
Enter: X, Select, Select, R1, R1, R1, L1, L1, R1. 'Shield' will appear.

AI Ally
Enter Select, R1, R1, R1, X, L1, L1. 'You've got a new friend' will appear.

Level Jump
Enter X, L1, L1, R1, R1, X, L1.The mission number should appear if entered correctly. Zoom the globe in or out to change the mission, and triangle to accept that mission level.

How to
Enter the cheats below when the game is paused. Entering it twice will turn it off, or lose your increased arsenal.