It now costs money to download and play online, although there is an older unsupported version available but I haven't tried that so can't comment.
If he could introduce curves (and physics) then I would consider paying for it as the ultimate "Lego" simulator without the copyright crap.
Great job on the programme and the star ship, I don't think he created the outer shell single handedly by hand as even that would have taken a very long time to get done. Unless he did in which case - OMG!