Cheat Codes
Nearly every cheat code in SimCity 3000 can be entered in by accessing the in-game cheat console. This can be done at any time during game play by pressing "Ctrl," "Alt," "Shift" and "C" at the same time. Once inside the cheat console, enter the code "I am weak" to make everything free except bulldozing and budgeting. Enter the code "call cousin vinnie" to receive a donation of $250,000. Enter the code "nerdz rool" to upgrade low-tech industry to high-tech industry. Enter the code "pay tribute to your king" to unlock all reward buildings. Enter the code "I love red tape" to set the in-game date back to January 1, 1900. Enter the code "the birds" to enable flying birds around your city. These codes are case sensitive.
News Ticker Fun
At the bottom of your screen is a continual news ticker that displays messages based on how you are progressing through the game. You can make this news ticker display any news you wish by pressing "Ctrl," "Alt," "Shift" and "C" to enter the cheat console and entering the code "simon says X." Replace the variable "X" with the line you wish to display in your news ticker.
Unlock All Buildings
There are tons of buildings in SimCity 3000, but many of them need to be unlocked in some way before you can place them in your city. If you want to unlock all of the buildings instantly and without spending the time required, there is a trick. Start by opening and then closing the Power Plants Menu, the Rewards &Opportunities Menu, and the Garbage Disposal Menu. Now open the Landmarks Menu and you'll find that every building in the game is now available for use. This trick also removes the 10-landmark limit that is normally applied to each city.