While playing, press ~ to get the console. Now enter a code below and press ENTER to activate:

Code - Effect

INeedCash - Get $100 million
SetBudget - Replace with the budget you want
MassDrop - Huge airport
DoEarthquake - Start earthquake
DoTornado - Start a tornado
SetCash - Replace with the cash you want
ShowGame - Show Game
HideGame - Hide Game