Adds a garden for you to grow wood in space!
Mods introducing new content into the game.
Map generation and terrain modification.
Things related to oil and other fluids.
Furnaces, assembling machines, production chains.
So each craft produces 4 woods: 1 goes back to seed, about 2 converts to charcoal in order to recycle the biosludge, leaving around 1 wood as product. That's really tough!
