A Cities Skylines cd key is a unique code that is used to activate a copy of the game. It is a 25-digit code that is used to unlock the game on Steam. The key is used to verify that the game has been purchased legitimately.

The cd key is a required component of the game activation process. It can be used to install and play the game on any computer that has Steam installed. The key can also be used to activate the game on other platforms, such as the Mac App Store or Origin.

The cd key is …