Robots:
Place an atomic bomb on a Nanotech age city containing any species.

Modify ocean levels:
Hold [Option] while in the edit window. Select the raise/lower land tool. Wait for additional icons to appear over the control bar to the left of raise/lower land altitude icon.

Random altitude map:
Type rand while at the map window.

Cheat mode:
Type one of the following codes while the pointer is in the toolbox to activate the corresponding cheat function.

Money	fund
Display a joke	joke
Smooth coastlines	smoo
Eradicate all plant and animal life	erad