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GenreCity building game
Latest releasev0.2.1  (Announcement)
Release dateApril 14th, 2020
Code licenseGPLv3[1]
Media licenseCC-BY-SA[2]
P. languageC++
Cytopia is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Cytopia is a free, open source city building game with a big focus on mods. It utilizes a custom, SDL2 based rendering engine written in C++. It will combine the spirit of SimCity 2000 with everything a modern 2D city building game should offer.


Current features:

  • Procedural terrain generation
  • Multiple road types
  • Underground layer for pipes
  • Custom UI System, based on JSON. Highly moddable
  • Colorful, isometric pixel-art graphics made by a graphics team lead by Kingtut 101
  • An original soundtrack, ambient noises, and sound effects made mostly by MB22
  • A Qt based tile editor for editing TileData JSON files

Planned features:

  • Mutliple game modes (sandbox, scenarios)
  • Biomes - Planned biomes include a desert biome, a snowy biome and a mushroom biome
  • OpenGL Renderer
  • Gameplay mechanics
  • In-game mod browser
  • AngelScript support for scripting mods
  • Ports for Android and iOS


Cytopia features a custom rendering engine written in C++, using the SDL2 library. Development builds are frequently released through and stable builds are released through GitHub.

Project leads[3]:

  • Jimmy Snails (Engine, UI, ...)
  • Ercadio (Engine, Unit tests)
  • Cad'ika Orade (Procedural Terrain Generation)

Development team[3]:

  • adct23 (Engine, Audio System)
  • AnotherFoxGuy (Build System, Website, Community Manager)
  • Kollix (TileData Editor)
  • lizzyd710 (UI, Translator)
  • Notakas (Engine, Gameplay)
  • Paragoumba (Engine, Gameplay, Translator)
  • utilForever (Code Reviews, Consulting)
  • Westrox (Engine, Gameplay)
  • Yukyduky (Engine, Gameplay)


The game incorporates isometric pixel-art graphics, inspired by SimCity 2000 and TheoTown. Graphics team is lead by Kingtut 101.

Graphics team[3]:

  • Kingtut 101 (Lead Artist, Community Manager)
  • BangBoom
  • Folesnaid
  • JustKekman
  • MaroonShaded (Translator)
  • Panzerkampfwagen 2 ausf (Junior Graphics Artist)
  • Pineapples Trix
  • RockFort (Translator)
  • Yusuf8a684


MB22 is the audio director of Cytopia.[3] He has created almost all of the music and sounds for the game. The only other person who worked on the music was sqwdmusic, who left the team after making one music track.

Cytopia’s soundtrack is comprised of electronic ambient music. The soundtrack is available on the official YouTube channel.


Track Title Length Composer YouTube SoundCloud
Easy Listening 3:46 sqwdmusic Link
Sarah's Theme 4:11 MB22 Link Link
OST 1 3:28 MB22 Link Link
OST 2 6:55 MB22 Link
January's Theme 3:52 MB22 Link
Helsinki 4:18 MB22 Link
Above The Clouds 4:06 MB22 Link

Version history[edit]

Version Release date Notes Dev Blog GitHub
0.0.1 Unknown Initial pre-alpha tech preview of the isometric engine. Link
0.0.2 2018-11-20 The second pre-alpha tech preview, which introduced music, roads and water. Link
0.1.0 2019-02-18 Initial release of Cytopia. Link
0.1.1 2019-03-16 First version of the game to feature saving/loading and have a macOS port. Link Link
0.2.0 2020-02-20 Introduced multi-language support, touch screen support, tile variation system, spatial 3D audio and a 32 bit port. Link Link
0.2.1 2020-04-14 Inroduced shorelines, building subcategories, new placement modes, ground decorations under buildings and the underground view. Link Link


External links[edit]