Free Money:
     During the game, hold down Ctrl+Shift+Alt+G to get 4 Billion.


Various Codes
     Insert  the  following passwords into the in-game cheats menu for
the desired effect:

Cheat code:         Effect:
FREETOWN            Build anywhere
GREENLINE           All buildings fully occupied
NOWAIT              Buildings constructed in one day
EXTREMEDAY          Faster gameplay
EXTREMEENEMY        Faster enemies
EXTREMEMONEY        Infinite money