During the game hold [Ctrl] and type in:

 hdirate     Add 100 to Mall Rating
 hdicash     Add $100,000
 hdilore     All Techs Researched
 hditech     Complete Current Research Project
 hdizooma    Toggle Unlimited Zoom
 hdidizzy    Hold Alt + Up or Down to Control View
 hdiart      View Sim Animation Data
 hdimax      ?