Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships. Cities: Skylines is a modern take on the classic city simulation. Build and manage your city, your are only limited by your imagination! Feel free to submit a ticket! as well as download the creations of other city builders on the Steam workshop. Cities: Skylines - Sunset Harbor DLC and More Now Available for PC and. City Skylines free download pc game was developed by Colossal Order and is published under the Paradox Interactive logo. Cities.