Ant missions:
Complete the game once. Then, set the difficulty level to "Hard", select
"Campaigns", and go to England to access the ant missions.

Ant missions secrets:
Use the Game Shark building modifier codes along with the vehicles and infantry menu codes
while in the Ant missions to obtain the following:
Mad Tank = Queen Ant
Demolition Truck = Warrior Ant
Chrono Tank = Larva
Mechanic = Larva
Shock Trooper = 2 Larvae
Cheat mode:
Click on the "Teams" button menu with Circle (or which ever button is currently
configured as "Cancel") or the Right Mouse Button. Then, move the pointer over
the following icons on the tool bar and press Circle ("Cancel") or the Right
Mouse Button on each.

Invincibility
Press Circle or the Right Mouse Button when the pointer is over "Square",
"X", "Circle", "X", "Triangle",
"Triangle".

Full map
Press Circle or the Right Mouse Button when the pointer is over "Triangle",
"Triangle", "X", "Circle", "Triangle",
"Square".

Parabomb
Press Circle or the Right Mouse Button when the pointer is over "X",
"X", "X", "Circle", "Triangle",
"Square".

Chronoshift
Press Circle or the Right Mouse Button when the pointer is over "Square",
"Circle", "Triangle", "X", "Circle",
"Circle".

Harvest people instead of ore
Press Circle or the Right Mouse Button when the pointer is over "Square",
"X", "Square", "X", "Square", "X".

Money:
Press Circle or the Right Mouse Button when the pointer is over "X",
"X"," Square", "Circle", "Circle",
"Circle".

Instant victory
Press Circle or the Right Mouse Button when the pointer is over "Circle",
"Circle", "Triangle", "X", "X",
"Square".

Instant 5000$:
During GamePlay press triangle for the sidebar. Move the cursor towards the symbols
and enter X, X, Square, Circle, Circle, Circle.

Instant loss:
Press Circle or the Right Mouse Button when the pointer is over "Circle",
"X", "Circle", "Square", "Square", "X".

Nuclear attack:
Press Circle or the Right Mouse Button when the pointer is over "Circle",
"X", "Circle", "Circle", "X", "Square".
Information in this section was contributed by Nick Vogt.

Civilians have names
Press Circle or the Right Mouse Button when the pointer is over "Square",
"Square", "Circle", "Circle", "Triangle",
"Triangle".