CSM is a multiplayer mod for Cities: Skylines. This mod aims to provide a simple client-server experience where users can play and build together in a single game. Initially, resources such as money, costs demand will be synced between clients.
Best Free Games Like Cities: Skylines Top City Building Games & Simulation Games like Cities: Skylines
The best free alternative to Cities: Skylines is CSM - Cities: Skylines Multiplayer, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Cities: Skylines and 14 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Cities: Skylines are Citybound, Megapolis, Cytopia and SimCity BuildIt.
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Alternatives list
- 38 Citybound alternatives
Citybound is a city building game with a focus on realism, collaborative planning and simulation of microscopic details.

The #1 citybuilder game in more than 20 countries with over 10M downloads! One million play every day!
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- Windows Phone
- iPad


+3
- 30 Cytopia alternatives
Cytopia is a free, open source retro pixel-art city building game with a big focus on mods. It utilizes a custom isometric rendering engine based on SDL2.


- 34 SimCity BuildIt alternatives
Build, craft, and control! SimCity BuildIt is an all-new SimCity game designed just for mobile.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Android
- iPhone
- Android Tablet
- iPad


+5
Micropolis is a open city-building simulator game and is based on the original source code of SimCity , which was donated to the One Laptop per Child (OLPC) project by Electronic Arts as free and open source software under the terms of the...
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Self-Hosted

Create a thriving metropolis by building houses, condos, apartments and skyscrapers to attract residents. Construct businesses and industries for them to work. Add bars, restaurants, theaters, stadiums and more to keep residents happy.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Android
- iPhone
- Android Tablet
- iPad


+7
- 28 Simpsons Tapped Out alternatives
From the writers of The Simpsons, comes the city building game that lets you create your own living,breathing Springfield!When Homer accidently causes a meltdown that wipes out Springfield,it’s up to you to clean up his mess.we mean, help him rebuild.

Grow a small town into a thriving metropolis in this city building simulation. Invest in upgrades and buy new vehicle types, buildings and landmarks to customize your city to your liking.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Android
- iPhone
- Android Tablet
- iPad


+7
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Linux
- Windows
- Android
- Online
- Flathub
- Flatpak


+2
Build a thriving underwater city, reveal the truth and save the planet in amazing free to play game!.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- Kindle Fire



GoCity is a groundbreaking new location-based game that lets you build your own city on the map. You can buy real-world roads and grow your city along them. Explore the game world and expand your city to new areas by moving around in the real world.


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