Is there a Patreon or something similar to support you voluntarily?
Great work.
As long as there are no competitors it's ok, but I think the raw materials you get aren't enough. For example, from the lumberjacks,
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Hi, you can find the patreon of the core maintainer here:
https://www.patreon.com/stonekingdoms/about
As for the materials, they are not balanced yet, so that's expected. Once we have our first AI to play against, we will look into balancing.