Kastorio 2 is a good place to start, its between vanilla and bobs / angels in terms of complexity.
Space exploration is another one that is probably worth a look, adds more.
Are there any known plans to expand the game in such directions?
Does anyone know of good mods which add.
Webdoes factorio have any end game?
What i understand you can build your base so you can launch rocket or satelites, but they only generate reseach which doesn't.
Launch x rockets per hour.
A stepping stone to megabase.
Webfind blueprints for factorio with advanced search.
Endgame smelting (with trains) ideal end game.