On Mars
What do the icons on a Blueprint mean?
The resource icon at bottom right shows which building type it upgrades, and the top-left shows the size and the cost, which is always a Mineral. Shelter blueprints upgrade only your own shelters.
The resource icon at bottom right shows which building type it upgrades, and the top-left shows the size and the cost, which is always a Mineral. Shelter blueprints upgrade only your own shelters.