Buildings
Scrap exchange
The field reference. Know what you’re working with.
Bonuses from your build can change these values.
rank preview
RANK I / VI Extra scrap production and a payout after each wave.
district-wide bonus
+2 scrap / clear
nearby support
Scrap exchange: extra production and an additional payout after each cleared wave.
scrap production
3 scrap every 20 combat seconds before Building Power and weather modifiers. Mature buildings gain additional production.
upgrade & connect
Ranks I–VI open at waves 1, 5, 10, 21, 26 and 31. Stand in the circle to progress automatically. Bring all five sites online for WATCHFIRE / 4 precision shots every 14s.