Solar array+1 energy/sec · escalating cost
Grid export connectionSell surplus energy automatically · keeps 10 energy in reserve
Steel foundry+0.5 steel/sec · escalating cost
Automated constructionDeploy the first construction drone fleet
Drone performance tuningUnlock automation to improve drone speed
Reinforced support pylonsUnlocks at 500m · stronger elevator frame
Dynamic cable tensionersUnlocks at 1km · improves drone throughput
Maintenance platformsUnlocks at 2km · reduces material use
High-altitude cargo hubUnlocks at 5km · earns passive funding
Atmospheric communications arrayUnlocks at 10km · improves project reputation
The first 100 metres are waiting. Let's give this thing a foundation.