Warhammer 40K: Imperialism 2 is one such game.

Therefore crew will be kept as small as practical. Watching expert players at work is bewildering, as the clicks per minute rise and the whole game falls into strange and sometimes unreadable patterns. Extraterrestrial analogs of such items could be traded.

Full load mass and physical size depends upon assumptions about fuel mass ration, fuel bulk, etc. Designer Victor J Davis is moving away from computer games and applying his talents elsewhere: