Hyper- realistic PC game that can help us with ship design ideas

[stevebowers]

I'd really like to help make something like this for OA - not just for spaceship design (right up to reactionless drive) but for space habitats, cityscapes, planets and systems, wormhole networks, warfare and even aliens. The technology required to create all this sort of sandbox exists now, in No Man's Sky, COADE, Kerbal, Orbiter, Space Engine, Celestia, Spore, and so on, it just needs someone to put them all together.

Incidentally here's the Fiarro Twin Worlds made for Universe Sandbox by Erde Solar

I presume that means the system is stable...