For those who didn't know (cus I didn't) here is something abit more useful, and is useable for those without an officially registered copy of the game. SC4 Terraformer https://www.simtropolis.com/modding/index.cfm?p=details&id=391 This allows you to create you own landscapes on which to build incrediable towns and cities. Its a little tricky to get used to but its a fantastic bit of kit. Supporting Documents Also I recommend flicking through the following articles, which i found very useful. https://www.simtropolis.com/forum/categories.cfm?catid=141&entercat=y EDIT: Something which shouldn't be overlooked, as described in the help document included with the program: This program is only compatible with Rush Hour or SimCity4 Deluxe Backup your cities before you begin. I'm not responsible if something goes wrong.