While in gameplay (During a campaign mission, Great battle, or special operation) hold Down on the D-Pad (Not the control stick) and press these buttons in sequence to get the desired effect.
Result
Cheat Code
All of your units do extra damage and take less damage
B B A Y A B
Gives electricity (!800 I think)
Y B X A Y A
Gives 5000 plastic
Y X B A Y B
Para-troopers drop down in camera view (Only once a level)
