Warzone 2100

Make sure there is a controller in both slots. Hold start down until the main menu appears and press L1 R1 R2 L1 to enable cheat mode for campaigns 2 & 3. During the game enter the codes on 2nd controller. The codes are:

Additional structures R1
Additional units R2
All items X
Infinite power o
Finish research down
Level skip select
Super unit strength up
Weak unit strength right

N.B Enter codes during game