Satisfactory: 3D Factorio by the makers of Sanctum

this is not usually what resource management gamers want out of a game. they want to continually upgrade and evolve their factory or network in some way. There is no reason to keep doing this in satisfactory, so your factory just falls to waste. it need an endgame loop to keep you playing. Factorio rockets and research system accomplish this. there are also mods to greatly extend the normal loop.