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 Open Source Games Like Cities: Skylines Top City Building Games & Simulation Games like Cities: Skylines
The best open source alternative to Cities: Skylines is CSM - Cities: Skylines Multiplayer. If that doesn't suit you, our users have ranked more than 25 alternatives to Cities: Skylines and five of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Cities: Skylines are Citybound, Cytopia, Micropolis and TerraTactician Expandoria.
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Alternatives list
- 26 CSM - Cities: Skylines Multiplayer alternatives
Citybound is a city building game with a focus on realism, collaborative planning and simulation of microscopic details.

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.


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

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


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