Direct answer
The material economy centres on biomass: collect it, spend it on components, blueprints and research. The biomass page is the deep record.
Material groups
| Group | Used by | Evidence |
|---|---|---|
| Biomass | Research, compost, crafting | BUILD — see biomass page |
| Soil components | Soil mix system | OFFICIAL |
| Crafting inputs | Planters, blueprints | PARTIAL |
| Cooking inputs | Recipes | PARTIAL |
Materials and the economy
Materials link to the money page (sale value), crafting (blueprints) and research (biomass costs) — one record drives all views.
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Evidence note
Material availability is version-checked against 1.0; prices and acquisition are collected with the economy dataset.
OBSERVEDQuest database
A collect-20L-biomass quest step is a known early-game ask (players search it by exact phrase).
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Material records feed components, crafting and research pages.