The food chain is the production line.
Cut the strata into layout and biome. Digging isn't preparation for production — it is the production input.
Moss grows in your tunnels, grazers appear, predators follow. Keep the predation and breeding cycle from tipping over.
Collect drops and ore, turn them into cash, and put it back into better picks, special soil, and automation.
What you dug out becomes the factory.


"Earn it back — and then make the business bigger."
The investor's stake comes with payments on a schedule. Miss one and the late fees stack up.
Material prices aren't fixed. Sell into a spike and one dump is worth thousands; miss it and it's just inventory.
Need money? Go deeper. Deeper sells higher — and deeper is where the ecosystem stops listening.
How much attention it wants goes high, then low, then high again.