Here are some cheats and tips for the game SimEarth.
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.
Effect Code
Money fund
Display a joke joke
Smooth coastlines smoo
Eradicate all plant and animal life erad