The free version available on APEzone's site is the Starships Unlimited 3.5 - sadly, Ewanchyna doesn't seem to have preserved ...

With Starship, SpaceX seeks to buck the old way of doing things. Tanker trucks have traditionally delivered rocket propellant ...

Berko Games are making the final touches to their complex physics-based space sim, in which you play an AI assembling a ship around yourself in real-time.