Cities XL Wiki

Creating your Cities XL™ account[1] During installation, you will be asked to register your copy of Cities XL™ in order to play the game. You must create an account on and enter the serial number found on back of the manual. To do this, go to the following address:

Enter the information requested to create your account. Make a careful note of your username and password; you will need them to play the game.

Then start up the game. On first login the game will automatically find and download all new patches.