Various cheats

Electricity
     Hold R2, press Triangle, Square, Circle, X, Triangle, X - 2000

2000 Plastic
     Hold R2, press Triangle, Square, Circle, X, Triangle, X

5000 Plastic
     Hold R2, press Triangle, Circle, Square, X, Triangle, Square

Better Green Army
     Square, Square, X, Triangle, Square, X

Better Tan Army
     Triangle, Triangle, X, Square, Triangle, Triangle

Bonus Paratroopers
     Hold R2, press Circle, Square, Circle, Square, Triangle, Triangle

Change Building Color
     Square, Triangle, Square, Square, X, Circle

Change Tan Army Color
     Triangle, Triangle, X, Square, Triangle, Triangle

Change Team Colors
     Square. Triangle, Square, Square, X, Circle

Drop Some Paratroopers
     Circle, Square, Circle, Square, Triangle, Triangle

Dump Trucks Collect More
     Square, Square, Square, Triangle, Circle, X

Get 2000 Energy
     Triangle, Square, Circle, X, Triangle, X

Get 5000 Plastic
     Triangle, Circle, Square, X, Triangle, Square

Get Lots of Resource From Dump Trucks
     Square, Square, Square, Triangle, Circle, X

Hidden Item
     Square, Triangle, Left, Left, Triangle, Square

Random Team Colors
     Holdi R2, press Square, Triangle, Square, Square, X, Circle

Suicide
     Hold R2, press Square, Triangle, Left, Left, Triangle, Square

Super Strong Enemy Team
     Triangle, Triangle, X, Square, Triangle, Triangle

Super Strong Player Team
     Square, Square, X, Triangle, X, Square