Press Ctrl Alt C and type any of the following casesensitive "Codes":
When:
During gameplay
How:
Jail Break Pack of tomb robbers looking for burial provisions appear
Hail to the Chief Hailstorm pelts your city
Crop Busters Swarms of locusts eat every crop in sight
Amphibious Assault Plague of frogs descends upon city
Ancient Astronauts Pyramids built at quicker pace
Crimson Tide Lifegiving river turns to blood
Mummys Revenge Mummies appear from monuments and attack city
