[Puke]

umm, i am intrigued.. but someone is going to explain to me why O or CO2 is not a valid atmosphere for a gas giant. I mean, sure H and He are far more common elements and are much more likely to produce a gas giant, but why not other kinds?

and for resource production, Would they actually need a solid core? could things be siphoned or condensed right out of the atmosphere? and uh, if the earth has enough gravitational heat and pressure to create a liquid core and mantle, surely a gas giant with many (lots of many's) times our mass would be able to manage a liquid core from which massive ammounts of minerals would come.

but yeah, its just a game. and i dont know doink about astrophysics, so feel free to educate me.