Hold ctrl + type "hdiart" without the quotations!
and a box with pics will pop up!It shows the characters im mall tycoon!

Type in hdirate during gameplay for highter rating for your mall.

in gameplay hold down ctrl while typing in theese codes:
hdirate - mall rating up by 100
hdicash - gives you cash
hdilore - finish reserching product wich reserching on

hditeck - all researching stuff done -(sweet!)
hdizooma - SUPER ZOOM (to the resque!)
hdiart -sim art
hdi max - somthing about the floor!
those ARE ALL tHe ChEaTs I kNoW

While playing the game at the menu where time goes by, hold down Ctrl and type the code in:

hdizooma = unlimited zoom

hdicash = $100,000 hditech = complete current
research project
hdilore = all technology

after you enter the code in, you will hear a police sound play.