Cities: Skylines is a Real-Time, Strategy, Simulation, and Management game published by Paradox Interactive, Ikaron, Deep Silver, Spike Chunsoft released in 2015.

Ports Required for Cities: Skylines
The network ports for Cities: Skylines are as follows:
Cities: Skylines - Steam
- TCP: 27015, 27036
- UDP: 27015, 27031-27036
Cities: Skylines - PC
- We do not know the PC ports for Cities: Skylines yet. If you know them please send us a message using our Message System.
Cities: Skylines - Xbox One
- TCP: 3074
- UDP: 88, 500, 3074, 3544, 4500
Cities: Skylines - Switch
- TCP: 6667, 12400, 28910, 29900, 29901, 29920
- UDP: 1-65535
Cities: Skylines - Playstation 4
- TCP: 3478-3480
- UDP: 3074, 3478-3479
If you want to follow guides that are custom tailored to your exact router and Cities: Skylines simply follow one of these links:
- Cities: Skylines - Steam
- Cities: Skylines - Xbox One
- Cities: Skylines - Switch
- Cities: Skylines - Playstation 4
Cities: Skylines includes the following genres of gameplay.
- In a real time strategy game multiple players are fighting for control of a battlefield, usually in a top down view. RTS games can also be in a 3rd person or isometric viewpoint. They tend to involve time and resource management as well as troop and building construction.
- Strategy games tend to focus on planning and skillful thinking in order to beat either real players or bots. They can be either real-time in which the play clock ticks continuously or turn-based where each player has a dedicated turn to finish their action. It is not uncommon to include exploration and resource management.
- In a simulation game the primary goal is to simulate a real life situation either for education or entertainment. Simulation games have a huge vareity of types including sports, driving, flying, and dating. Some of the most popular sims of all time are SimCity and Madden NFL.
- The management style can be either resource management such as wood and ore, or player management such as a sports game.
Forward Ports for Cities: Skylines
When you are playing Cities: Skylines you might need to forward some ports in your router. Forwarding ports is a useful trick in gaming because it can really help to make your network connection most stable and on occasion even faster. Routers were not designed to allow incoming network requests and some games can play tremendously better if an incoming connection is forwarded through the router to the game.
Before You Forward a Port
Before you can forward a port you need to know the following things:
- Your router's IP address.
- The IP address of the device that the game will play on: either your computer or your console.
- The TCP and UDP ports that need to be forwarded.
How to locate your Router's IP Address
The easiest way to find your router's IP address is to run our free Router Detector utility. It's a part of the Network Utilities suite of tools and it's completely free to use.
How To Forward Ports
Our Network Utilities software makes port forwarding a breeze. You can be done in just a few minutes.
The normal process for forwarding a port is:
- Start by logging in to your router.
- Locate your routers port forwarding section.
- Put the IP address of your computer or gaming console in the applicable box in your router.
- Put the TCP and UDP ports for your game in the matching boxes in your router.
- Frequently you have to reboot your router for the changes to take effect.
When you are done following those steps your ports will be open. Do you need more games or programs forwarded? Check out our games and programs list.