The best open source alternative to SimCity is Lincity-NG. If that doesn't suit you, our users have ranked more than 25 alternatives to SimCity and eight of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to SimCity are Cytopia, CSM - Cities: Skylines Multiplayer, Micropolis and Citybound.
Lincity is a construction and management simulation game, which puts the player in control of managing a city's socio-economy. Its name is a play on the title of the original city-building game, SimCity, and it was released under the GNU General Public License.
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.
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.
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...
Citybound is a city building game with a focus on realism, collaborative planning and simulation of microscopic details.
it still in develpment but open source and if it live up to what dev have set up to do will be very very good game
OpenCity is a free open source 3D city-building game. In the game, the player builds a city by marking land as commercial, industrial or residential zones. Those zones depend on each other to grow. The player is also required to supply the city with power and connect the...
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It is the original source code ported into Java.