Civilization 13 (formerly 1713) is a free game based on Space Station 13 code and using the BYOND platform, which features several epochs of human history. (hence the name).
It features both Roleplay-oriented and Team-Deathmatch modes, with the main one being Nomads, in which you need to bring your civilization from the Stone Age to the Modern Age.
To contribute, edit a page using the links on the top right. You will need a github account. For more information check the guide here.
Games (similar games and inspirations)