Buy Cities Skylines Map Pack now! You will receive the key for the DLC by Paradox Interactivevia eMail within the stated delivery time. This content creator pack (DLC) adds 8 outstanding new maps to the city building simulation Cities: Skylines. Download Cities Skylines Map Pack for free via the Steam network. Steam can be found here. The original game (not included in this offer) is required to use, respectively, play the contents of the DLC.