Tossing two more into the ring: * Mindustry: Free casual episodic tower defense factory sim. Level based instead of infinite build, levels take about an hour.

Tossing two more into the ring: * Mindustry: Free casual episodic tower defense factory sim. Level based instead of infinite build, levels take about an hour. * Dyson Sphere Program: Build factories that span start systems. Best looking game of the bunch, imho. Go from punching trees to a Kardashev type II/III civilization. If you're into Factorio or Satisfactory, I highly recommend checking out Dyson Sphere Program.