Unlockable - Extra Pieces |
| Halloween Pieces | On October 31, you will get them. Alternatively, change the computer's date to October 31. |
| Desert Pieces | You'll get them on July 4. Alternatively change the date to July 4. |
| Christmas Pieces | On December 25, you will get them. Alternatively, change the computer's date to December 25. |
| Space Shuttle Launch Pad | Place 2 Radar Stations together. |
| Giant Robot | Place a Large IG tower next to a Radar Station. |
| Large Fountain | Place 4 fountains together in a square. |
| Mansion | Put two red brick houses together. |
