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Mapcraft - Fantasy map designer

WorldGen - SciFi universe generator

Mapcraft Web - Web based fantasy map designer

All code for the project is released under the GPL, and is copyright Samuel Penn.

The text on this wiki is dual licensed CC-BY-SA and GPL.

You can contact the author at


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EoGaian are a sub-type of Gaian worlds, belonging to the Tectonic Class of the Terrestrial Group. They are young Gaian worlds between 800 million and 3 billion years in age, which have a rich and thick carbon dioxide and methane atmosphere.

They are heavily volcanic, with a greenhouse atmosphere which makes them considerably warmer than older worlds of their type. However, they have deep oceans and have a good chance of avoiding a runaway greenhouse effect.


EoGaian worlds are lifeless. They may have the basic ingredients for life, but life itself has not yet formed.

2d6 Life level
2-7 None
8-12 Organic


There will be standard mineral resources:

pcl/eogaian.1515884518.txt.gz · Last modified: 2018/01/13 23:01 by sam