| At the main game screen, hold down [CTRL] and type in the code:
| Code | Result |
| hdilore | Research All Techs |
| hditech | Complete Current Research |
| hdirate | Add 100 to Mall Rating |
| hdicash | Add $100k to Cash |
| hdizooma | Unlimited Zoom |
| hdidizzy | Hold [ALT] and Press UP |
| hdiart | View Sim Animation Data |
| hdimax | Unknown Effect |
|