Codes

Contributed by: GeckoGamer, FirstDegreeMurder 

Flat Terrain Code

If you want flat terrain, simply type ''SMOOTH'' It is case-sensitive.

Contributed by: PS2pcGAMER 

More Money

To get more money, simply type, ''FUND,'' make sure it is in capitals.

Contributed by: CGorman 

Make Plants and animals extinct

Just type ''ERAD,'' during the game to make all plants and animals extinct.

Contributed by: CGorman 

Robots!

Build a Nanotech Age city and then do an Atomic test on it. A robot will appear out of the crater. You can do this more than once. Repeat ad nauseum. Plus, robots can't go extinct! You can practically do whatever you want to the planet and the Robots will not vanish!
Have fun!

Contributed by: Spideyissad 

Scenario Select (Planet Selection)

At the main menu, highlight "Scenario", hold L, R and Y, then press A to go to a stage-select menu. Choose any of the eight scenarios and press START to begin.

Contributed by: ShAd0wC4t 

Extra Effect In Gaia Window

While playing the game, type in the following code (case-sensitive) for a new effect in the Gaia window.

Contributed by: tiamold