Uses a spherical variant of aphelion to sort of represent actual planetary bodies.
You're still very definitely inventing your own content and there's a PGCS in place for upgrades along the gameplay loop. Materials have archetypes which have handcrafted balance.
Fuel costs are tiered depending on what exactly you're doing and are very relevant.
Resource Spread works on a kind of promise system -- totals for each planetary body (based on body size and body variability) and get distributed down at various levels of zoom.
